Bullet trap blank firing attachment for use with a firearm
The disclosure is directed at a blank fire bullet trap attachment (BFBTA) that provides improved protection for firearm users when live ammunition is accidently loaded into the firearm. The BFBTA includes 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 pipe 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.
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.
2 . The BFBTA of claim 1 further comprising a cap portion for mounting the BFBTA to a firearm.
3 . The BFBTA of claim 2 wherein the cap portion comprises a threaded portion for attachment of the cap portion to the barrel portion.
4 . The BFBTA of claim 1 wherein the barrel portion comprises a set of vent holes.
5 . The BFBTA of claim 1 wherein the hardened element portion comprises at least one vent hole.
6 . The BFBTA of claim 1 wherein the first metal is aluminium or a malleable steel alloy.
7 . The BFBTA of claim 1 wherein the second metal is armour grade steel, tool steel or a nickel based superalloy.