PRIMARY WEAPON SYSTEMS MK107 MOD 2-M UPPER 7.62X39 7.75 CQB30 2M107UF011F

MK107 MOD 2-M Specs: - Operating System: PWS Long Stroke Piston System with 3-Setting Adjustable Gas System - Caliber: 7.62x39 - Barrel Length: 7.75 - Gas System Length: Pistol - Barrel Twist Rate: 1:10 - Muzzle Velocity: 1944 ft/sec - Muzzle Device: FSC 30 - Upper Receiver: PWS Proprietary Piston Upper T6 7075 Forged Anodized - Handguard: PWS PicLok 15.0 Handguard (1.7 width 2.25 height) - Charging Handle: Radian Raptor Ambidextrous Charging Handle Manufacturer Part Number: 2M107UF011F