Patent ID: 9347719
Filing Date: 2016-05-24
CPC Classification: F41A,F41C

Claim Text:
1. A firearm, comprising: a barrel assembly having a breech end at which a chamber is formed, the breech end comprising a plurality of radially spaced barrel lugs, and at least one distal ramp surface formed between selected ones of the barrel lugs; a receiver having a forward end coupled to the barrel assembly adjacent the breech end of the barrel assembly; and a replaceable feed ramp insert comprising a body having at least one proximal ramp surface, and at least one attachment member projecting from the body and configured for releasably coupling the feed ramp insert in an engaged position between the receiver and the breech end of the barrel assembly, with the at least one proximal ramp surface substantially aligned with the at least one distal ramp surface of the barrel assembly so as to form at least one feed ramp for directing cartridges into the chamber of the firearm; wherein the receiver comprises a mating aperture formed therein, and wherein the body of the feed ramp insert is configured to be received within the mating aperture of the receiver and comprises a pair of proximal ramp surfaces configured to align with corresponding ones of a pair of distal ramp surfaces of the barrel assembly to form a pair of feed ramps for directing cartridges into the chamber of the firearm.