US 12,241,717 B2
Firearm buffer system and buttstock assembly
Jesus S. Gomez, Trappe, MD (US)
Assigned to LWRC International LLC, Cambridge, MD (US)
Filed by LWRC International LLC, Cambridge, MD (US)
Filed on Oct. 4, 2022, as Appl. No. 17/959,956.
Application 17/959,956 is a division of application No. 16/782,855, filed on Feb. 5, 2020, granted, now 11,460,265.
Application 16/782,855 is a division of application No. 15/918,935, filed on Mar. 12, 2018, granted, now 10,591,245, issued on Mar. 17, 2020.
Application 15/058,488 is a division of application No. 14/577,503, filed on Dec. 19, 2014, granted, now 9,291,414, issued on Mar. 22, 2016.
Application 14/577,503 is a division of application No. 13/837,697, filed on Mar. 15, 2013, granted, now 8,943,947, issued on Feb. 3, 2015.
Application 15/918,935 is a continuation of application No. 15/471,808, filed on Mar. 28, 2017, granted, now 9,915,497, issued on Mar. 13, 2018.
Application 15/471,808 is a continuation of application No. 15/058,488, filed on Mar. 2, 2016, granted, now 9,625,232, issued on Apr. 18, 2017.
Prior Publication US 2023/0097029 A1, Mar. 30, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. F41C 23/06 (2006.01); F41A 3/84 (2006.01); F41A 5/18 (2006.01); F41C 23/22 (2006.01)
CPC F41C 23/06 (2013.01) [F41A 3/84 (2013.01); F41A 5/18 (2013.01); F41C 23/22 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A gas-operated firearm comprising:
a receiver;
a barrel coupled to said receiver;
a bolt;
a bolt carrier configured to be received within said receiver having a weighted buffer assembly secured thereto; wherein said bolt carrier comprises a front end wherein said bolt is rotatably mounted, a rear end defining an internal longitudinal opening where said weighted buffer assembly is housed, and a body portion extending between the front end and the rear end of said bolt carrier;
a return spring for resisting the rearward movement of said bolt carrier and for biasing said bolt carrier into battery;
a buffer tube; and
a buttstock assembly,
wherein said rear end of said bolt carrier defines a boss thereon having an outer diameter that is in contact with an interior portion of said receiver, wherein an area extending between a back side of said boss and the rear end of said bolt carrier is smaller in diameter than an interior opening of said return spring, a portion of said return spring is received thereon.