Converting an AR9 to Roller-Delayed Blowback

In this video, Hop tests the new Maxim Defense radial-delayed buffer system for the AR9 platform. This drop in buffer upgrade converts a straight-blowback AR into a pseudo roller delayed system, which reduces the reciprocating mass and theoretically improves performance with a suppressor. Support this channel on SubscribeStar: Sponsor, affiliate, and social media links: