The present invention is an improved quick change barrel system for a firearm. It features an interlocking trunnion and lock ring that hold the barrel in place proximate the receiver. Intermittent threading provides multiple points of interface. A foldable handle is provided to allow safe removal of the lock ring and additional torque for attachment and removal of the lock ring from the system.
US-7574823-B2
US-7574823-B2 • August 2009 • Firearms & Accessories
Quick change barrel system for a firearm