May 27, 2025
Devices and methods for shotshell cartridges, particularly shotshell cartridges with biodegradable components. One or more of the casing, shot wad, spacer, and powder wad may be formed of biodegradable materials. A biodegradable shot wad is manufactured of cellulosic fibers and wax to provide obturation and gas seal properties at high pressures with high reliability.
shotshell
biodegradable
ammunition
May 27, 2025
A projectile with a safe and arming device includes a tunable setback arming mechanism with an arming slider constrained and guided within a slider frame. The arming slider and slider frame cooperating to have a first safe position, a second intermediate position, and a third armed position. Components, such as the arming slider are manufactured by electronic discharge machining (EDM) to provide preforms on a work piece that can be further processed and ultimately assembled into tunable setback arming mechanisms. Various desired operating characteristics of the setback arming mechanism may be provided by adjusting and/or selecting specific parameters in the arming slider and readily adjusting same through machining and heat treating.
May 27, 2025
A detonator assembly which includes a holder, a flexible elongate element which is engaged with the holder, a detonator connected to the element, an energy storage device on the holder and a coil arrangement for charging the energy storage device when the coil arrangement is coupled to a variable electromagnetic field.
May 27, 2025
A wireless initiation device comprises a power source, a processing module, a first housing and an initiation unit. The processing module processes wireless electromagnetic communications signals received by an electromagnetic receiver system associated with the processing module. The wireless electromagnetic communications signals includes a wireless electromagnetic communications signal representative of a FIRE command. The processing module is configured to generate an initiation signal upon receipt of the FIRE command. At least one of the power source and the processing module is disposed in the first housing, and the first housing has a first connector. The initiation unit has a second housing within which is disposed an initiation module that is configured to discharge initiation energy sufficient to initiate an explosive charge associated with the device. The initiation module is connected to, or connectable with, the processing module such that initiation module can receive an initiation signal from the processing module. The initiation unit also has a second connector that is configured to mate with the first connector, thereby connecting the first and second housings. The initiation module is configured to execute a sequence upon receipt of the initiation signal, the sequence resulting in discharge of initiation energy from the initiation unit.
May 27, 2025
An electronic apparatus comprises an eye approach detection unit configured to detect an objective approaching to a finder, a sight line detection unit configured to detect a sight line position to a display unit that is arranged in the finder, and a control unit configured to perform control to drive the sight line detection unit and stop driving the approach detection unit when it is detected by the approach detection unit that an objective has been approached to the finder, wherein the control unit performs control to, based on a detection result of the sight line detection unit, drive the approach detection unit from a state in which a driving of the approach detection unit is stopped, and stop driving the sight line detection unit while driving the approach detection unit.
May 27, 2025
firearm
grip
support
May 27, 2025
firearm
receiver
May 27, 2025
firearm
sight
May 20, 2025
A dual clamping device.
May 20, 2025
An LED mounting base, an adjustment mechanism with the LED mounting base and a red dot sighting device with the adjustment mechanism are provided in the present disclosure. The LED mounting base includes a sliding block base and a pedestal in which an LED chip is mounted at the middle of the front end surface thereof. A sliding slot parallel to the length direction of the pedestal is disposed on the front end surface of the sliding block base. One end of the sliding slot is a blind end, and the other end of the sliding slot is an open end. After the pedestal being disposed in the sliding slot, the front end surface of the pedestal is parallel to the front end surface of the sliding block base.
May 20, 2025
A magazine is provided for a firearm. The magazine comprises a locking mechanism. The locking mechanism has a user interface adapted to enable a user to select between a locked condition and an unlocked condition. The locking mechanism has a rotor movable between a first rotational position when the locking mechanism is in the locked condition and a second rotational position when the locking mechanism is in the unlocked condition. The magazine comprises an elongated shaft connected to the rotor. The magazine comprises a block element connected to the elongated shaft. The block element is adapted to move between a first position when the locking mechanism is in the locked condition in which at least one of firearm operation and magazine extraction are prevented, and a second position when the locking mechanism is in the unlocked condition in which firearm operation and magazine extraction are enabled.
firearm
magazine
locking
May 20, 2025
A magazine catch safety for a firearm to lock a trigger of a firearm when a magazine is removed from a magazine receptacle of a frame of a firearm, the magazine catch safety having a catch body having a longitudinal axis, an actuating button end, and a spring receiving end, and a protuberance disposed on the catch body. The magazine catch safety further having a securement pin, a spring, and a trigger bow. The trigger bow has a notch, wherein, when the catch body is in a first position, the protuberance is engaged in the notch to prevent movement of the trigger bow, and wherein when the catch body is in a second position, the protuberance of the catch body does not engage the notch, providing for free movement of the trigger bow.
firearm
safety
trigger
May 20, 2025
An operating system for a firearm includes a trigger, a hammer, a disconnector, a pivoting arm, and a lower member. The trigger includes a lower portion, an upper portion, and a trigger pivot. The disconnector includes a lower portion, an upper portion, and a disconnector pivot. The pivoting arm includes a forward protrusion, a pivoting arm opening, and a pin extending through the pivoting arm opening. The lower member includes a lower member opening and a pin hole that is coaxial with the trigger pivot and the disconnector pivot. At least a portion of the trigger and at least a portion of the disconnector are disposed within the lower member opening. Motion of the trigger causes the forward protrusion of the pivoting arm to engage a bolt carrier group and hold the bolt carrier group in an open position.
firearm
mechanism
trigger
bolt
May 20, 2025
A barrel for a launching device for launching projectiles with a propellant charge is arranged with a cross-section in the form of a curve of constant width. A launching device and a method for firing a rotation-stabilized projectile from a barrel are also provided.
firearm
barrel
projectile
May 20, 2025
A heat shield is for a firearm. The firearm includes a barrel, a magazine tube extending parallel to and being coupled to the barrel, and a magazine tube cap coupled to an end of the magazine tube. The barrel has a barrel ring coupled to the magazine tube. The heat shield includes a perforated shroud, a rear ring provided with the shroud, and a front bracket provided with the shroud. The rear ring and the front bracket are each configured to receive at least one of the barrel and the magazine tube therethrough in order to removably couple the heat shield to the barrel.
firearm
heat shield
barrel
magazine tube
May 20, 2025
A recoil rod assembly is provided, including a front rod and a rear rod. A cylindrical protuberance is disposed at the rear end of the front rod or the front end of the rear rod. A cylindrical aperture is disposed at the other. The axis of the cylindrical protuberance or the axis of the cylindrical aperture is offset from the axis of the rear rod. The cylindrical protuberance is disposed in the cylindrical aperture, wherein the axis of the cylindrical protuberance and the axis of the cylindrical aperture are coaxial. The front rod is rotatable with respect to the rear rod about the coaxial axes from a first position wherein the axis of the front rod is coaxial with the axis of the rear rod to a second position wherein the axis of the front rod is offset from the axis of the rear rod.
firearm
pistol
recoil
takedown
May 20, 2025
An off-trigger safety training device for firearms and method of use. The off-trigger safety training device is removably attached to a firearm proximal to a trigger of the firearm. The off-trigger safety training device is positioned for longitudinal alignment with a barrel of the firearm and includes a concave recess oriented in alignment with the barrel of the firearm for receiving the operator's trigger finger. Longitudinally extending ribs protrude from a face of the concave recess permit the user to align their finger within the concave recess and receive a complementary longitudinal tactile engagement with the ribs for positive engagement of the trigger finger with the off-trigger safety training device.
firearm
safety
training
trigger
May 20, 2025
A grip measurement tool is configured to aid a user in selecting a properly fitting firearm. The grip measurement tool has a barrel first half joined to a barrel second half. A multi-colored barrel gauge is mounted in the barrel first half and joined to an upper front grip with a front grip knob that slides in a front handle track. A front grip further includes a lower front grip joined to the upper front grip. The lower front grip further includes a plurality of front grip measurement markings. A rear handle is joined to the front grip with a pair of springs. A rear handle knob joins the rear handle to the barrel first half proximate a plurality of angle markings. The multi-colored barrel gauge, the plurality of front grip measurement markings, and the plurality of angle markings provide data to the user in selecting a properly fitting firearm.
May 20, 2025
An assembly for directing propellant gas to an action of a firearm includes a barrel and a gas block. The barrel has a plurality of gas ports that communicate with the bore of the barrel. The barrel and the gas block define a passage that receives pressurized propellant gas from the bore by way of the barrel gas ports, and directs the propellant gas to a gas port of the gas block. The plurality of barrel gas ports and the passage act as a manifold in which the propellant gas is taken from multiple locations within the barrel, combined into a single flow, and directed into the gas block via the gas block gas port. The pressurized gas is then routed to an action of the firearm by way of a gas tube and a gas key.
firearm
gas
barrel
action
May 20, 2025
A bolt action rifle having a receiver; a bolt in slidable communication within said receiver, having an elongated body and a bolt head at a first end, and an exposed bolt face with a primer recess cavity having a base with a forward-facing surface, the base having an aperture therein, where the aperture is circumscribed by the forward-facing surface for receiving a propellant charge having an extended primer cap, and a firing pin within the bolt and movable between a disengaged position wherein a firing pin head is receded within the aperture and an engaged position wherein the firing pin head extends beyond the forward-facing surface into the primer recess cavity.
firearm
bolt action
rifle
ammunition
May 20, 2025
An apparatus for collecting spent ammunition casings from a weapon is disclosed. The apparatus has a support assembly, a container attached to the support assembly and forming a cavity configured to receive the ammunition casings, and a fastener configured to be received in a portion of a mounting fixture of the weapon and removably attach the support assembly to the mounting fixture. The fastener is either a replacement fastener or a modified fastener of a mounting fixture fastener of the weapon.
ammunition
collection
firearm
May 20, 2025
Systems and methods according to the present invention comprise a selectively engageable system for capturing spent bullet casings. A capture bag may be coupled to a rifle through a cover and slider. The cover holds the bag in place over the rifle ejection port, allowing the user to collect spent bullet casings. The slider allows the user to engage or disengage the system through a tension system.
firearm
ammunition
spent casings
May 20, 2025
Jam-resistant drum magazines and related methods are disclosed. In some implementations, a jam-resistant drum magazine includes a drum, which may have a base, a body, and a top. Some implementations of the drum include a tiered component having a platform extending from a support, and some implementations have a channeled component having a channel configured to receive a round of ammunition. Some implementations include a transition drum, which may have a cylinder with a chamber configured to receive the round of ammunition from the channel. In some implementations, the tiered component is configured to rotate with respect to the channeled component, thereby causing the round of ammunition to move along the platform toward the transition drum.
magazine
drum
ammunition
May 20, 2025
A loading mechanism includes a housing including a loading chamber positioned adjacent to a housing passageway. The loading chamber is operable to load ammunition therein. A resilient bucking is disposed within the housing passageway. The bucking includes a bucking passageway that is operable to receive ammunition transferred from the loading chamber. A spring, having a plurality of spring coils, is disposed in the housing passageway. The spring is operable to apply pressure to the bucking when the spring is compressed. A gun barrel is slidably positioned within the housing passageway. A fastening mechanism is operable to attach the gun barrel to the housing and to put the spring into compression. When the spring is compressed, pressure is applied to the bucking and the bucking passageway is collapsed inward to seal entirely around ammunition that is positioned within the bucking passageway.
May 20, 2025
An extendable baton has a base section, at least one extendable section and a control rod. The base section may be tubular and have a lengthwise axis and an annular recess on an inner surface of a distal end and a release button on a proximal end. The extendable section may be tubular and nest inside the base section. The extendable section includes a locking clutch including a single slot disposed on the proximate end, a clutch plate disposed at least partially within the slot, the clutch plate including a locking portion, which engages the annular recess and a control aperture portion having an aperture, and at least one spring disposed to bias the clutch plate outwardly from the slot of the extendable section. The control rod is insertable through the aperture to retract the clutch plate when the release button is depressed.
May 20, 2025
A detachable grip panel for a real or simulated firearm according to the present invention includes an onlaid or inlaid aggressively textured surface layer on top of an adhesive layer nested into a specially formed recessed area on the grip panel. Additionally, the recessed area along with other geometry of the grip panel may be configured to provide an aggressive gripping surface while reducing the tendency to snag. Furthermore, the recessed region along with the chosen adhesive may provide for an ultra-slim profile while also offering thermal insulation.
May 20, 2025
In some embodiments, an apparatus comprises a first body and a second body aligned upon an axis. The first body comprises a first sight window and a first side edge, a second side edge and a base edge defining the first sight window, and a first central indicator. The second body comprises a second sight window and a first side edge, a second side edge and a base edge defining the second sight window, and a second central indicator. The axis extends through a center of the first sight window and through a center of the second sight window.
aiming
sight
firearm
May 20, 2025
An illuminated sighting system for a firearm sight, including a first light conductive member having a first light conductive member viewing end that emits a first amount of emitted light which provides a first viewable aiming indicium that indicates alignment of a firearm with a target; a second light conductive member viewing end that emits a second amount of emitted light which provides a second viewable aiming indicium that indicates misalignment of the firearm with the target; wherein the second light conductive member viewing end disposes about the first light conductive member viewing end; and a lens operably coupled to the first and second light conductive member viewing ends.
firearm
sighting
illumination
May 20, 2025
A turret kit for an optical scope including a base, a cap, dials and a cover for at least one of the dials is provided whereby a user can rapidly, efficiently and consistently switch from one turret to another. The kit can include a base including a lower perimeter defining a base diameter, a first dial including a first dial outer diameter that is less than the base diameter, and a second dial including a second dial outer diameter that is greater than the first dial outer diameter and greater than the base diameter. The first and second dials are interchangeably mountable to the base and can provide different dimensions, functionality and/or reference indicia in different formats.
May 20, 2025
A concentric collocated aiming device includes a prismatic hollow body, a dichroic mirror, a ball-and-socket attachment mechanism, a first electromagnetic (EM) radiation emission module, and a second EM radiation emission module. The dichroic mirror is angularly positioned within the prismatic hollow body so that a first light beam from the first EM radiation emission module is able to reflect about the dichroic mirror, and a second light beam from the second EM radiation emission module is able to transmit through the dichroic mirror. The first light beam and the second light beam are then able to exit the prismatic hollow body thus achieving the coalignment of dots at an operational distance. The ball-and-socket attachment mechanism functions as the mounting mechanism of the prismatic hollow body to allow 360-degree freedom of movement.
May 20, 2025
A device and a method for shot analysis are provided. The method includes steps of detecting the firing of a shot; recording image data in the line of sight before the shot, immediately following the shot, and after the shot; analyzing the resolution of the shot by processing the data recorded immediately following the shot; and temporal analysis of the shot by processing the data recorded immediately following the shot, the data recorded before the shot, the data recorded after the shot and the results of the shot resolution analysis.
May 20, 2025
A ballistic shield has a front “bulletproof” ballistic fabric layer with an elastic layer situated behind, such that when a projectile strikes the ballistic fabric layer, the layers yield rearwardly, with the elastic layer then rebounding the projectile. The rebounded projectile thereby serves as a hazard (or at least a distraction) to the shooter. The elastic layer may be provided as one or more inflatable sublayers, allowing the ballistic shield to be rapidly inflated for use, and otherwise folded for storage and transport.
May 20, 2025
An apparatus and method for a protective attendant station (PAS) that may be either mobile or stationary. The PAS has an upper protective portion having a front and two side bullet-resistant transparent/translucent panels and a lower protective portion that uses bullet-resistant material (e.g., stainless steel) and wherein, in the mobile PAS version, the lower protective portion rests upon and is secured to wheel/castor assemblies. The front panel comprises one of several protective window configurations (PWCs) that facilitate speaking between the attendant and another person, while protecting the attendant from the COVID transfer or other potentially infectious diseases, from reach-through or from firearm discharge. The mobile PAS includes a brake mechanism that permits the attendant to move the PAS defensively to a more secure location, or to be used offensively against a perpetrator by moving the PAS against the perpetrator and pinning him/her to a wall or other structure until authorities arrive.
May 20, 2025
The alternate armor-piercing bullet is a firearm projectile that is designed to provide high accuracy and improved armor penetration. To accomplish this, the firearm projectile comprises a penetrator, a jacket, and a temperature-resistant metallic paste. The penetrator has an exterior tip with a full-length shaft positioned inside of the jacket. The outer surfaces of the shaft and the inner surfaces of the jacket are coated with the metallic paste. When the projectile is fired from a gun, the metallic paste holds the jacket and the penetrator together until impacting the armor. Once the armor is pierced, the penetrator's full-length shaft assists in directional stability, allowing the penetrator to maintain its trajectory and reach the intended target.
ammunition
armor-piercing
firearm
May 20, 2025
The present invention relates to a projectile, in particular deformation and/or partial fragmentation bullet, comprising an essentially cylindrical projectile tail, an adjoining bow sided projectile head with an essentially central opening which opens into a cavity that extends axially from the projectile head in the direction of the projectile tail, preferably into the projectile tail, which has a cavity bottom and is bounded by a wall, and an tear-off groove introduced into the wall and, at least partially surroundings the cavity, which is arranged at a distance of at least 10% of the longitudinal extension of the cavity from the cavity bottom and has a radial depth of at least 10% of a caliber diameter and/or of at least 30% of a radial wall thickness of the wall surrounding the cavity.
projectile
ammunition
bullet
May 20, 2025
A disruptive projectile for use with a pneumatic weapon or similar device can include a shell defining an interior volume, the shell being frangible on impact with a target. The interior volume may be provided with a flexible line that may be arranged to extend and/or expand when released from the frangible shell on impact with the target, increasing an effective impact zone on the target. The flexible line may entangle with or otherwise impede operation of a rotatable element of the target.
May 20, 2025
The present disclosure discloses a method for designing a terminal guidance law based on deep reinforcement learning, and relates to the field of missile and rocket guidance. The method includes: establishing a relative kinematics equation between a missile and a target in a longitudinal plane of a target interception terminal guidance section of the missile; to adapt to a research paradigm of reinforcement learning, abstracting a research problem and modeling as a Markov decision process; building an algorithm network, and setting algorithm parameters, where a selected deep reinforcement learning algorithm is a deep Q-network (DQN); in a terminal guidance process of each round, obtaining a sufficient number of training samples through Q-learning, training a neural network and updating a target network at fixed frequencies respectively, and continuously repeating the above process before set learning rounds are reached.
May 20, 2025
An arrow system embodying a screw-over configuration of broadhead to arrow shaft connection is provided. The screw-over configuration provides a broadhead with female internal threading that operatively associates with male threading of an insert that interconnects the broadhead to the lumen of the arrow shaft.
May 20, 2025
A process for improved blast design including the steps of: acquiring geological data about a blast site from multiple data sources; extracting one or more blastability labels from the geological data; mapping the blastability labels in two or three dimensions; designing a pattern of blast holes based on the mapping; designing explosive for each blast hole based on the blastability label for that blast hole; loading each blast hole in the pattern of blast holes with the designed explosive for that blast hole; and detonating the explosive. Also, a method of extracting valuable resources from an area using the process and a visualisation tool for blasting operations that displays data from the process.
May 20, 2025
The present disclosure relates to a half-cast mark identification and damaged flatness evaluation and classification method for blastholes in tunnel blasting, including the following steps: S1-2: photographing first and second contrast images as well as a half-cast mark image after blasting; S3-6: performing denoising, gray-scale processing and binary processing on the above images, and identifying a boundary of a half-cast mark in each of the images; S7-9: determining a flatness damage variable, a quantitative relation among an area of a half-cast mark region, the damage variable and a fractal dimension, and a damage value of the half-cast mark image; S10-11: forming five-dimensional (5D) eigenvectors to obtain multi-dimensional digital information features of the images; and S12-13: selecting eigenvectors of 60 images as training data to input to a naive Bayes classifier (NBC), and taking eigenvectors of remaining 30 images as classification data to input the above well-trained NBC for classification.
May 20, 2025
Systems and methods for analyzing and categorizing firearm-related events are provided herein. A data collection device may be attached to a firearm. The data collection device may be outfitted with sensors to track the movements and forces of the firearm. The movement and force data may be analyzed to categorize the event. Machine learning techniques may be used to stores relationships between the data and the events. A profile for a user may be created that learns the firearm handling techniques of the user. The data collection device may interface with body cameras and other external equipment and may be used in law enforcement scenarios. The data collection device may also be used with civilians for shot analysis.
firearm
event analysis
data collection
May 20, 2025
A digital laser filter device allows the user to sight a target without possibility of another belligerent using a laser to damage the user's eye while peering through the firearm optics. The digital laser filter includes two configurations: an inline configuration, and an off-axis configuration. The inline configuration includes a digital camera, and an occlusion shield. The off-axis configuration further comprises a projection arm and an optic tube. The digital laser filter device is mounted to the scope or mounted on a firearm. The occlusion shield is used to establish a seal to the scope for protection against dust, and debris and to ensure the camera view is aligned with the firearm optics. The digital laser filter is also configured to color code the different laser wavelengths to gain information on lasers used and can be integrated with powered firearm mounting systems to link with information centers.
May 20, 2025
firearm
handguard
mount
tension
May 13, 2025
A garment with a concealed firearm holster is provided. The garment includes a garment body having an upper waist opening and a pair of leg sleeves, wherein each leg sleeve of the pair of leg sleeves includes a lower leg opening. A hip holster pocket is disposed on an interior surface of the garment body adjacent to the upper waist opening. In some embodiments, concealment pocket is affixed to the garment body along at least one leg sleeve of the pair of leg sleeves. The concealment pocket includes a flap removably securable to at least one leg sleeve along an upper edge and opposing lateral edges of the flap defining a closed position. A holster pocket is affixed to the at least one leg sleeve along three edges thereof to define an open upper end. The flap overlies the holster pocket when the flap is in the closed position.
May 13, 2025
The disclosure relates to an explosion suppression system and associated methods, which may include a cannon comprising a barrel and a propellant tank, a suppressant cartridge configured to be inserted into the barrel, and a triggering mechanism positioned between the barrel and propellant tank. The suppressant cartridge may be configured to operatively engage with a propellant source. One or more explosion sensors, which may be of different types, may be included in a system, and an explosion suppression device may be configured to activate when one or more of the sensors indicate an explosion. The disclosure further relates to a lock-out mechanism for an explosion suppression system, with the lock-out mechanism including a mechanical and/or electrical component. In one embodiment, an actuator may be positioned between a suppressant agent volume and a propellant agent volume of an explosion suppression system.
explosion
suppression
cannon
propellant
May 13, 2025
The invention describes a holding device ( 12 ) for holding and releasing a tensioning means ( 14 ) of a vehicle safety system. The holding device ( 12 ) includes a pyrotechnical actuator assembly ( 24 ) for holding and, in terms of signals, specifically releasing the tensioning means ( 14 ), wherein the actuator assembly ( 24 ) comprises a plastic base ( 26 ) in which a pyrotechnical unit ( 28 ) including a propelling charge and an igniter ( 30 ) is accommodated and held, wherein the pyrotechnical unit ( 28 ) has a rear side ( 36 ) and an opposite front side ( 38 ), and a tensioning means holder ( 40 ) which is adjacent to the front side ( 38 ) of the pyrotechnical unit ( 28 ) and covers the same and which is detachably supported on the plastic base ( 26 ). The holding device ( 12 ) additionally includes a reinforcing element ( 58 ) which is supported to be axially movable between a first position and a second position, wherein the reinforcing element ( 58 ) in a second position is disengaged from the tensioning means holder ( 40 ) and in a first position is at least partially accommodated in the tensioning means holder ( 40 ) and mechanically reinforces the same. Furthermore, an airbag module ( 10 ) is described.
May 13, 2025
A control surface restraining system for variably preventing movement of a control surface imparted by a control actuation shaft of a control actuation section of a tactical flight vehicle includes a power take-off shaft operably connected to the control actuation shaft with a power take-off gear train and a control surface restraint. The control surface restraint is configured to variably engage the power take-off shaft, thereby locking the power take-off gear train and preventing the control actuation shaft from imparting the movement of the control surface. The control surface restraint is also configured to variably disengage the power take-off shaft, thereby unlocking power take-off gear train and allowing the control actuation shaft from imparting the movement of the control surface.
May 13, 2025
An attack helicopter has a body exposed to air flow during the flight of the respective air vehicle, at least one ammunition fired to attack a target, at least one machine cannon enabling the ammunition to be fired, at least one ammunition duct on the body, enabling the ammunition to be placed therein and the ammunition to be transferred to the machine cannon, and a butt line arranged so as to extend lengthwise on the air vehicle and symmetrically divide the air vehicle in two.
firearm
ammunition
helicopter
machine_cannon
May 13, 2025
Emulsion explosives with gas bubbles that are resistant to in-borehole migration or coalescence are disclosed herein. Such emulsions can be sensitized by mechanically introducing gas bubbles into the emulsion. Gassing can be performed at any of multiple points from initial formation of the emulsion to delivery of the emulsion into the borehole. Resistance to gas bubble migration and coalescence can be achieved by homogenization, without the need for bubble stabilization agents.
May 13, 2025
A firearm security device removably connected to at least a portion of a firearm, the firearm security device including a biometric sensor to scan a physical characteristic of a user and send biometric data therefrom, a control unit running a program thereon and connected to the biometric sensor to compare the biometric data received from the biometric sensor to user data to determine whether the user is an authorized user of the firearm, and a locking pin disposed on a trigger bar of the firearm and connected to the control unit to prevent use of the firearm until the control unit determines the user is authorized to use the firearm.
firearm
security
biometric
May 13, 2025
A firearm safety device includes a clip including a bend between a first end and a second end, wherein the clip is configured to mate with a firearm that comprises an accessible safety selector rod, and thereby place the firearm in a safety-locked position, wherein a section of the clip that extends to the first end is configured to be inserted into a gap of the firearm behind the safety selector rod and thereby prevent rotation of the safety selector rod in the safety-locked position., and wherein a section of the clip that extends to the second end is configured to be retained against an opposing surface of the firearm in the safety-locked position.
firearm
safety
device
ar15
May 13, 2025
A suppressor for a firearm is disclosed. The suppressor may have a first longitudinal axis and include a mount body for receiving a muzzle of a firearm barrel. The mount body may include a first proximal end, a first distal end spaced from the first proximal end along the first longitudinal axis, a collar adjacent to the first proximal end, and an annular stem adjacent to the first distal end. The annular stem may include a first outer side wall surface which comprises a first screw thread, and a first interior side wall surface which comprises a second screw thread. The suppressor further may include a core connected to the mount body, and a tube disposed over the core and the annular stem. The mount body, core, and tube may form a plurality of chambers for sound signature reduction of a host firearm.
firearm
suppressor
ammunition
May 13, 2025
When a semiautomatic rifle is live fired, it is ready to be fired again. The shooter's hands remain in the firing position, and just to the trigger finger and trigger are employed. But with dry fire practice, the shooter must cycle the rifles bolt to reset the firing pin. The shooter must move one hand from the shooting position on the rifle, the rifles along bolt is pulled back to reset the firing pin, the rifle is repositioned, a new site picture is acquired, and then the next trigger press can be accomplished. This invention replaces the rifles bolt carrier group and provides realistic muscle memory training by duplicating the action of the trigger, the feel and the sound of the release of the firing pin, and the resetting of the trigger for additional trigger activations. The invention does not interact with the rifles firing pin.
dryfire
training
rifle
May 13, 2025
Various embodiments are directed to a barrel for a firearm. In various embodiments, a barrel comprises an inner surface defining a bore configured to guide a projectile as the projectile is propelled through the bore by pressurized gas; and a barrel gas port having a gas port depth extending between a port entrance defined by the inner surface of the barrel and a port exit, wherein the barrel gas port is configured to fluidically communicate with the bore and an action of the firearm; wherein the port entrance defines a length dimension defined parallel to a longitudinal axis of the barrel and a width dimension defined perpendicular to the length dimension; and wherein the length dimension of the port entrance is greater than the width dimension of the port entrance. Various embodiments are directed to a firearm comprising the exemplary barrel.
firearm
barrel
gasport
manufacturing
May 13, 2025
A variable safety output control system for a pneumatic toy dart projector (toy dart gun) has an adjustable output power (pressure) control system for power adjustment. A variable safety output control system has a manual dual-sided pressure adjustment safety mechanism that controllably limits a pneumatic pump power stroke and the resulting pneumatic pressure for dart release. A guiding and release mechanism for the adjustment safety mechanism operates with spaced-apart pressure-portions and high-pressure requirements allowing an adult-strength-level adjustment while minimizing juvenile-strength-level adjustment for improved safety.
May 13, 2025
Disclosed is a firearm accessory with a clamping mechanism used to removably attach the firearm accessory to a rail system, such as a Picatinny rail. The clamping mechanism includes a pair of parallel engagement members and a reversibly extendable recoil lug, which is disposed within a guide groove in the firearm accessory. Additionally, the clamping mechanism includes a threaded fastener that is operatively connected to the recoil lug and is used to advance the recoil lug from, and retract the recoil lug into, the guide groove.
firearm
accessory
rail
clamping
May 13, 2025
A weapon sight grip and associated components and methods. The weapon sight can be a firearm sight, such as a red dot type sight. The firearm accessory includes a base configured to be connected to a weapon and a sighting portion configured to assist a user in aiming the weapon. The firearm accessory includes grip structure such as an elastomeric pad, ridge, or other structure configured to facilitate a user in gripping the sight, such as to rack a slide on which the sight is mounted.
firearm
accessory
sight
May 13, 2025
A firearm includes a rail; a mount attached to the rail; a lens attached to and rotatable with respect to the mount; a light source that reflects a light off a reflective surface of the lens to aim the firearm; a hood rotatably mounted and in contact with the lens, wherein the hood folds over the lens in a collapsed configuration and is angled from the lens in a deployed configuration, and the hood and the lens each pivot on respective axes that are parallel to each other.
firearm
sight
collapsible
May 13, 2025
A camera system having a sight device, with a housing configurable for securing about a weapon, the camera connects with a smart phone device for displaying an image from the sight device for accurately targeting with a weapon.
May 13, 2025
Sights of the present disclosure comprise a housing supporting an optical sighting element, such as one or more lenses or iron sights. A first lateral side of the housing has a laterally-extending protrusion and a lead-in portion forward of the laterally-extending portion. In some arrangements the lead-in portion is laterally-inward of an outermost surface of the laterally-extending protrusion and has a surface roughness of less than 50 μm. In some instances, the laterally-extending protrusion has a width of at least 1 mm and the lead-in portion has a length of at least five times the width of the laterally-extending protrusion.
firearm
sights
optics