US12435943 - Bullpup-type gun with barrel positioned at bottom

The invention presents a bullpup-type firearm with its barrel positioned at the bottom to enhance user safety by preventing burns and injuries from upward shell discharge. Additionally, the design addresses aiming accuracy by adjusting the height difference between the front and rear sights.

Claim 1

1. A bullpup gun with a barrel positioned at the bottom, the bullpup gun comprising: a bullpup body part ( 110 ) comprising a trigger handle ( 111 ) and a trigger ( 112 ); a Picatinny rail ( 120 ) provided at an upper tip of the bullpup body part ( 110 ) and having a predetermined length defined forward; a barrel ( 130 ) provided at a lower tip of the bullpup body part ( 110 ) and directed forward; a support handle ( 140 ) configured to connect a lower side of a tip of the Picatinny rail ( 120 ) and an upper side of a tip of the barrel ( 130 ); a magazine ( 150 ) inserted and mounted into a rear end of the bullpup body part ( 110 ) vertically; a shell reflection plate ( 160 ) provided on a lateral surface of the bullpup body part ( 110 ) in a downward direction and configured to prevent a shell, which is discharged downward from the bullpup body part ( 110 ) after firing, from being bounced upward; and a loading handle ( 170 ) disposed below the bullpup body part ( 110 ) and disposed at the same horizontal position as the barrel ( 130 ).

Google Patents

https://patents.google.com/patent/US12435943

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12435943