US12467708 - Bullet trap blank firing attachment for use with a firearm

The patent describes a blank fire bullet trap attachment (BFBTA) designed to enhance safety for firearm users by preventing harm when live ammunition is accidentally loaded. It features a barrel made of a softer metal and a hardened element made of a stronger metal, allowing the hardened element to slide within the barrel upon impact from live rounds, thereby mitigating potential damage.
Claim 1
1 . A blank fire bullet trap attachment (BFBTA) comprising: a barrel portion made of a first metal; and a hardened element portion made of a second metal, the hardened element portion sized to frictionally fit within the barrel portion; wherein the first metal is softer than the second metal, such that when live ammunition contacts the hardened element portion, the hardened element portion slides within the barrel portion; and wherein the hardened element portion is configured to be displaced from an open end of the barrel portion when the hardened element portion is impacted by and displaced by more than three live rounds. a barrel portion made of a first metal; and a hardened element portion made of a second metal, the hardened element portion sized to frictionally fit within the barrel portion; wherein the first metal is softer than the second metal, such that when live ammunition contacts the hardened element portion, the hardened element portion slides within the barrel portion; and wherein the hardened element portion is configured to be displaced from an open end of the barrel portion when the hardened element portion is impacted by and displaced by more than three live rounds.
Google Patents
https://patents.google.com/patent/US12467708
USPTO PDF
https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12467708