Videos tagged with Over-Insertion Stop

This video introduces Hoffman Tactical's new AR-9 lower receiver, which shares many features with their redesigned AR-15 lower. Key improvements include an integrated grip, a streamlined buffer tower, a redesigned front takedown pin area for lower-cost plates, and an internal bolt hold open mechanism. The AR-9 specific features focus on magazine compatibility and reliability, such as an over-insertion stop and a robust last-round bolt hold open system utilizing printed parts and a hex shaft.