US 11,054,200 B1
Buffer systems and methods for firearms
Andrew David Cozad, Oil City, PA (US)
Filed by Andrew David Cozad, Oil City, PA (US)
Filed on May 26, 2020, as Appl. No. 16/873,631.
Int. Cl. F41A 3/84 (2006.01); F41A 11/02 (2006.01)
CPC F41A 3/84 (2013.01) [F41A 11/02 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A buffer assembly for a firearm comprising:
a main body containing a spring, the main body having a shoulder at a first end and an opening at a second end that matingly engages with an end cap;
an operational rod with a first portion slidingly contained inside the main body, wherein the first portion of the operational rod is defined by a rod diameter, and the first portion of the operational rod includes an enlarged portion, wherein the enlarged portion of the first portion of the operational rod mates into an enlarged portion of an opening in the end cap and the operational rod slidingly engages a smaller portion of the opening in the end cap such that the enlarged portion of the operational rod maintains a preload compression on the spring in the main body, the first portion of the operational rod engaging the spring such that as the operational rod reciprocatingly slides within the main body the spring is reciprocatingly compressed and decompressed;
the operational rod having a second portion outside the main body, the second portion terminating in a bumper.