Mk109 Mod 2-M 300 Aac Blackout Complete Upper Receiver - Mk109 Mod 2-M 300 Aac Blackout 9.75'''' Bbl Complete Upper

MK109 MOD 2-M 300 AAC Blackout Complete Upper SPECIFICATIONS: Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator Caliber: .300BLK Gas System Length: Pistol Barrel Length: 9.75" Barrel Twist Rate: 1:8 Muzzle Velocity: 2264 fps Muzzle Device: PWS Triad 30 Upper Receiver: PWS Proprietary Piston Upper, 7075-T651 Hard coat anodize, per Mil 8625 Type lll Class 2 Handguard: PWS PicLok(TM) 8.9" Handguard (1.7" width, 2.25" height) Charging Handle: Radian Raptor(TM) Ambidextrous Charging Handle Mfg: Primary Weapons