US 11,852,426 B2
Barrel bushing
Jesse D. Cole, Newmarket, NH (US)
Assigned to Sig Sauer, Inc., Newington, NH (US)
Filed by Sig Sauer, Inc., Newington, NH (US)
Filed on Mar. 21, 2022, as Appl. No. 17/655,658.
Prior Publication US 2023/0296340 A1, Sep. 21, 2023
Int. Cl. F41A 11/00 (2006.01); F41A 21/32 (2006.01); F41A 5/04 (2006.01)
CPC F41A 11/00 (2013.01) [F41A 5/04 (2013.01); F41A 21/32 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A firearm comprising:
a barrel connected to a frame;
a slidable ring shaped bushing mounted on the barrel, the bushing including a convex surface;
a bushing stop attached to a muzzle end of the barrel;
a recoil spring retaining the bushing on a proximal end of the barrel; and
a slide in contact with the bushing at the convex surface.