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: 9MM
Feed Ramp: Single
Platform: AR-9