Primary Weapon Systems 11.85″ MK111 Mod 1-M Complete Upper – .223 Wylde

The revamped MK111 MOD 1-M line features the tried and true PWS long stroke piston 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 MK111 MOD 1-M line is a go-to for not only civilians but also Law Enforcement. With a fully forged receiver the MK111 MOD 1-M is a no-nonsense tool for when you need a high-value option that is relentless and unstoppable.

Specs:

• System: PWS Long Stroke Piston System, 3 settings Adjustable Gas Regulator
• Caliber: .223 Wylde
• Barrel Length: 11.85”
• Gas System Length: Carbine
• Barrel Twist Rate: 1:8
• Muzzle Device: PWS Triad 556
• Upper Receiver: PWS Proprietary Piston Upper
• Material: T6 7075 Forged, Anodized
• Handguard: PWS M-Lok™ 11.05” Handguard (1.7” width, 2.25” height)
• Charging Handle: Radian Raptor™ Ambidextrous Charging Handle