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  1. MK111 PRO Pistol

    MK111 PRO Pistol


    Operating System: PWS Long Stroke Piston System, 3-Setting Adjustable Gas System

    Muzzle Device: A2 Flash Hider

    Caliber: .223 Wylde

    Barrel Length: 11.85”

    Barrel: 416 Stainless Steel, Button Rifled

    Twist: 1:8

    Handguard: PWS free float Mlok™11” Handguard (1.6” width, 2.1” height)

    Upper Receiver: PWS Proprietary Piston Upper, 6061 extrusion, Anodized 

    Charging Handle: Radian Raptor™Ambidextrous Charging Handle

    Lower Receiver: PWS MK1 MOD 1-M Multi-Caliber Lower, T6 7075 Forged, Anodized, AR-15 Compatible

    Trigger: Mil-Spec Enhanced, PTFE Coated.

    Trigger Pull Weight: 5.5 – 6.5 lbs.

    Buffer Tube: PWS patented Enhanced Pistol Buffer Tube, Ratchet Lock Castle Nut and Endplate set with built-in QD mount

    Buffer: PWS Enhanced H2 Steel Body Buffer

    Furniture: Pistol Mounted Solutions’ Pistol Storage Device, Bravo Company USA® Pistol Grip 


    Overall Length (Collapsed):   28”               (Extended):   31.5”

    Height:  7.5”

    Width:   2.5”

    Weight: 6 lbs. 5 oz.


    The MK1 PRO upper will not work with a lower that has extended bolt catch/bolt releases that extends over the upper receiver- like the Phase 5 or B.A.D. style.

    We are looking to make a change to the tech data package in the future to accommodate this, but at this time it has not been modified. 

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