The MK1 MOD 1-M line, revamped for 2018, features the PWS long stroke piston system. Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a free-float MLOK handguard, forward assist controls, and a more true to mil-spec design, the MK1 MOD 1-M line is a go-to for not only civilians, but also Law Enforcement. With the fully forged upper and lower receivers, the MK1 MOD 1-M is a no-nonsense tool for when you need a high value option that is relentless and unstoppable.

Features :

• Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator
• Caliber: .223 Wylde
• ,Barrel Length: 16.1";"Gas System Length: Mid-Length,
• Barrel Twist Rate: 1:8
• Muzzle Velocity: 2980fps
• Muzzle Device: PWS FSC 556
• Upper Receiver: PWS Proprietary Piston Upper, T6 7075 Forged, Anodized
• ,Handguard: PWS M-Lok 15.05" Handguard (1.7" width, 2.25" height),
• Charging Handle: Radian Raptor Ambidextrous Charging Handle