Made in the USA by Primary Weapons Systems, the MK111 rifle lineup features fully forged anodized T6 7075 PWS MK111 MOD 2 uppers married to a carbine long-stroke piston system.

For AR 15 pistols, the Primary Weapons Systems MK111 MOD2-M 11.85 inch .223 Wylde Upper Receiver is exactly what you need. IF you're unfamiliar with .223 Wylde, this caliber means the upper receiver is rated to handle both .223 Remington and the higher-pressure 5.56x45mm NATO, giving you a wide range of ammo versatility.

The MK111 MOD 2, has become the go-to SBR for many shooters, including many PWS employees. Shooters are now able to run 1 AR for a variety of uses. We've seen the MK111 used successfully in hog hunts, LE and SWAT training courses, and more. Feature: PWS long stroke piston operating system 3 setting adjustable gas system Forged upper receiver

Chambered in 223 Wylde with an incredible 30-round capacity, the PWS MK111 Pro is a versatile and highly maneuverable weapon for CQB engagements. This professional-level AR pistol is made in the USA by Primary Weapons Systems and is ideal for both duty and civilian use.

Oct 29, 2020 · PWS MK111 PRO Specs. Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator; Caliber: .223 Wylde; Barrel Length: 11.85 inches; Gas System Length: Carbine; Barrel Twist Rate: 1:8; Muzzle Velocity: 2,741 fps; Muzzle Device: A2 Flash Hider; Upper Receiver: PWS Proprietary Piston Upper, 6061 extrusion, Anodized

The MK111 MOD 2-M operates on the highly acclaimed PWS Long Stroke Piston System, renowned for its reliability and reduced fouling. The inclusion of a 3-setting Adjustable Gas System allows users to fine-tune gas flow, ensuring optimal performance in diverse shooting conditions as well as optimizing it for suppressor use.

The PWS AR-15 MK111 MOD 1-M Long Stroke Gas Piston Upper Receiver Assembly utilizes the PWS Long Stroke Piston System with a 3 setting Adjustable Gas Regulator. MK111 MOD 1-M …

It's mounted into the PWS billet slick-side upper receiver. Below that sits a fully ambi lower with a PTFE-coated mil-spec trigger, outfitted with BCM furniture. MODEL: 22-2M111RA1B-NFA . FEATURES. 223 Wylde; Long-stroke adjustable gas system; 3 different gas settings; 11.85" 41V50 barrel; Ambi lower; H2 buffer; BCM buttstock and grip; PWS ...

Available as a complete upper or complete firearm (both pistol and rifle configurations). As with all PWS complete upper receivers, they will fit seamlessly to any AR15 lower receiver with no need for add accessories.