US 12,188,737 B1
Modular adapter for firearm receiver
Feng Shen, Diamond Bar, CA (US)
Assigned to TRARMS, INC., Pomona, CA (US)
Filed by Trarms, Inc., Pomona, CA (US)
Filed on Oct. 31, 2023, as Appl. No. 18/385,489.
Int. Cl. F41A 3/66 (2006.01); F41C 23/20 (2006.01); F41G 11/00 (2006.01)
CPC F41A 3/66 (2013.01) [F41C 23/20 (2013.01); F41G 11/003 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A modular adapter for a firearm receiver that has a threaded socket, comprising:
a base block, comprising
a receiver surface further comprising:
a threaded plug that is rotatable and configured to engage the threaded socket of the firearm receiver, and
a distal surface that provides a means to attach an accessory or function as an end cap; and
a knob-driven mechanism that is positioned between the receiver surface and the distal surface, and connected to and able to rotate the threaded plug.