For best prices & free shipping, order your next Primary Weapons Systems rifle, pistol, lower or upper at Fortress Tactical! Discriminating shooters consider the PWS long-stroke piston system to be the best quality for the money. Back that up with awesome customer support, and it's an easy ...
Barrel Twist Rate: 1:8 Muzzle Velocity: 2,741 fps Muzzle Device: A2 Flash Hider Upper Receiver: PWS Proprietary Piston Upper, 6061 extrusion, Anodized Handguard: PWS M-Lok 11.0-inch Handguard Charging Handle: Radian Raptor Ambidextrous Charging Handle Lower Receiver: PWS MK1 MOD 1-M Multi-Cali...