Patent ID: 9739550
Date: 2017-08-22
CPC Classifications: F41A

Claim:
1. A light-weight firearm with wear resistant cartridge feed ramp comprising: a metallic frame defining a magazine well for insertably receiving an ammunition magazine; a barrel supported by the frame, the barrel including a longitudinally extending bore defining a longitudinal axis, a front muzzle end, and a rear breech end defining a rearwardly open chamber configured for holding a cartridge; an obliquely angled cartridge feed ramp formed by an integral unitary portion of the frame, the feed ramp disposed at an upper end of the magazine well near the rear breech end of the barrel and made of a same material as the frame; a surface hardened wear insert affixed to the feed ramp adjacent to the chamber in the rear breech end of the barrel, the wear insert arranged to engage a cartridge being loaded into the chamber from the magazine; wherein the wear insert is formed of a different material than the feed ramp; wherein the wear insert includes an obliquely angled wear surface having a greater hardness than a surface of feed ramp of the frame; wherein the wear insert has an elongated cylindrical body oriented vertically in the frame and the wear surface is formed on a rear face of the body adjoining the feed ramp of the frame; and wherein the wear insert includes a top end positioned proximate to an annular rear entrance to the chamber and a bottom end including a downwardly extending mounting stem received in an upwardly open socket of the frame.