DBF DBX57 5.7X28 8 BLK M-LOK 20RD

Action-Type: Semi-Auto - Operating System: Locked Breech Dual Gas Piston - Caliber: 5.7x28mm - Frame: 7075 Aluminum Hard Coat Anodized - Handguard: 6061 Aluminum Hard Coat Anodized M-LOK Compatible - Barrel Length: 8� - Twist Rate: 1:9 RH - Barrel Muzzle Threads: 1/2�28 RH - Muzzle Device Included: DBX Muzzle Device - Trigger: Standard AR15 Mil-Spec - Grip: MagPul MOE K - Sights Included: NONE - Magazine: 20 Round (FN Five-SeveN compatible) - Overall Length: 15.25� - Overall Height: 7.3� - Overall Width: 1.75� - Weight (With Empty Magazine): 3.0lb