9MM Bolt Carrier Group. Perfect bolt carrier group for your AR-9 build. Wether you are using your AR-9 upper or AR-15 upper this 9MM BCG will never dissapoint you when you are shooting. 9mm Bolt Compatible with both 9mm Colt and Glock Magazines (Works...
9MM Heavy Barrel 7.5" 1:10 Twist. This AR-9 Barrel is perfect for your next 9MM AR build. Short and heavy style barrel is perfect for precision shooting. Twist: 1:10 Finish: Stainless Material: 416R Stainless Steel Thread Pitch: 1/2 x 36 Caliber:...
AR-9 MM 4" Barrel