PWS MK107 MOD 1 UPPER 7.62X39 7.75 TRIAD30

MK107 MOD 1-M Specs: – Operating System: PWS Long Stroke Piston System 3 setting Adjustable Gas Regulator – Caliber: 7.62×39 – Barrel Length: 7.75 – Gas System Length: Pistol – Barrel Twist Rate: 1:10 – Muzzle Velocity: 1944 fps – Muzzle Device: PWS Triad 30 – Upper Receiver: PWS Proprietary Piston Upper T6 7075 Forged Anodized – Handguard: PWS M-Lok 6.9 Handguard (1.7 width 2.25 height) – Charging Handle: Radian Raptor Ambidextrous Charging Handle