Primary Weapons Systems 11.85" 5.56/.223 WYLDE MK111 MOD 1-M Upper PWS Complete Receiver

Primary Weapons Systems 11.85" 5.56/.223 WYLDE MK111 MOD 1-M Upper PWS Complete Receiver

NOTE: THIS IS THE COMPLETE UPPER (BCG AND AMBIDEXTROUS CHARGING HANDLE INCLUDED). No lower or sights included. May be shipped to your door, no FFL required. Be aware of your LOCAL, STATE, and FEDERAL LAWS before ordering. Not for sale to HI.

The PWS MK1 MOD 1-M line of upper receivers feature 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, the MK1 MOD 1-M is a no-nonsense tool for when you need a high value option that is relentless and unstoppable.

The MK111 MOD 1-M is perfect for shooters looking for a weapon with endless uses. Maintaining the shortest barrel length recommended for suppressed use, this compact upper receiver is one of the most popular from LE to heli-hunting. The MK111 upper receiver has an 11.85” barrel and a Triad556 Compensator.

MK111 MOD 1-M Specs:

SKU: 18-M111UA0B, UPC: 811154030351

• Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator
• Caliber: .223 Wylde
• Barrel Length: 11.85”
• Gas System Length: Carbine
• Barrel Twist Rate: 1:8
• Muzzle Velocity: 2741 fps
• Muzzle Device: PWS Triad 556 
• Upper Receiver: PWS Proprietary Piston Upper, T6 7075 Forged, Anodized
• Handguard: PWS M-Lok™ 11.05” Handguard (1.7” width, 2.25” height)
• Charging Handle: Radian Raptor™ Ambidextrous Charging Handle

With the fully forged upper, the MK1 MOD 1-M is a no-nonsense tool for when you need a high value option that is relentless and unstoppable.