US12480733 - Firearm lower receiver extension vise fixture

The patent describes a firearm lower receiver extension vise fixture that includes a fixture base and a sliding fixture neck, designed to accommodate various firearm types. This apparatus allows for secure attachment to the lower receiver where the pistol grip is mounted, facilitating the traversal of the firearm’s extension portion through the fixture neck.

Claim 1

1 . An apparatus implementable on a firearm, comprising: a fixture base configured to be attached to a location on a lower receiver of the firearm where a pistol grip is mounted when the firearm is in operation; and a fixture neck configured to be slidingly received by the fixture base while an extension portion of the firearm traverses through a through hole or hollow of the fixture neck, wherein: the fixture base comprises a lower portion and an upper portion; the fixture neck comprises a first distal end and a second distal end opposite the first distal end with ledges or extrudes protruding from opposite sides of the second distal end; and the through hole or hollow is near the first distal end, wherein, with the fixture base attached to the lower receiver, the fixture neck is configured to be movably received in the upper portion of the fixture base while: the ledges or extrudes are slidingly received in slots on opposite inner walls of the upper portion of the fixture base, and the extension portion of the firearm traverses through the through hole or hollow of the fixture neck, wherein a gap tolerance between the ledges or extrudes and the slots allows the fixture base and the fixture neck to be used on firearms of different types or sizes. a fixture base configured to be attached to a location on a lower receiver of the firearm where a pistol grip is mounted when the firearm is in operation; and a fixture neck configured to be slidingly received by the fixture base while an extension portion of the firearm traverses through a through hole or hollow of the fixture neck, wherein: the fixture base comprises a lower portion and an upper portion; the fixture neck comprises a first distal end and a second distal end opposite the first distal end with ledges or extrudes protruding from opposite sides of the second distal end; and the through hole or hollow is near the first distal end, the fixture base comprises a lower portion and an upper portion; the fixture neck comprises a first distal end and a second distal end opposite the first distal end with ledges or extrudes protruding from opposite sides of the second distal end; and the through hole or hollow is near the first distal end, wherein, with the fixture base attached to the lower receiver, the fixture neck is configured to be movably received in the upper portion of the fixture base while: the ledges or extrudes are slidingly received in slots on opposite inner walls of the upper portion of the fixture base, and the extension portion of the firearm traverses through the through hole or hollow of the fixture neck, wherein a gap tolerance between the ledges or extrudes and the slots allows the fixture base and the fixture neck to be used on firearms of different types or sizes. the ledges or extrudes are slidingly received in slots on opposite inner walls of the upper portion of the fixture base, and the extension portion of the firearm traverses through the through hole or hollow of the fixture neck, wherein a gap tolerance between the ledges or extrudes and the slots allows the fixture base and the fixture neck to be used on firearms of different types or sizes.

Google Patents

https://patents.google.com/patent/US12480733

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12480733