CMMG MKGS AR-9 Barrel & Radial Delayed BCG Kit - 5 - 9MM - Straight Profile

Radial Delayed BCG Kit For Lesser Recoil And Lighter Performance The CMMG MKGS Barrel and BCG Kit will allow you to build a Pistol Caliber Carbine using a Patent Pending Radial Delayed Blowback System. Unlike typical direct blowback systems, the RDB uses a bolt that is forced to rotate and unlock, slowing the BCG. This [...]