MK111 PRO 223 Wylde Complete Upper Receiver

The PWS MK1 PRO line features the PWS long stroke piston system. This line is perfect for shooters looking for a cost-effective piston system firearm without sacrificing the high quality standards PWS has been known for over a decade. Featuring a 3-setting adjustable gas system for users with suppressors, free-float MLOK handguard, Radian Raptor charging handle, extruded upper receiver that integrates an extremely solid handguard attachment system, the MK1 PRO line has an assortment of features ideal for shooters of all levels. 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. The PRO line is the best value on the market when it comes to piston driven operating systems, including high-end features and custom components. Adding to the overall value, the entire MK1 PRO line comes with the same performance expectations and lifetime guarantee as all PWS products.

The MK111 PRO upper features an 11.85” barrel, the ideal length for a variety of uses. From pig hunting to home defense, this pistol is a go-to for all uses, including suppressed shooting. Fitting any standard AR-15 lower, this can be matched with a registered NFA or pistol lower to allow shooters to take their shooting to a new level.

FEATURES

• PWS Long Stroke Piston System: Renowned for reliability and reduced fouling, featuring a 3-setting adjustable gas regulator for optimal performance.
• Suppressor Optimized: Enhances suppressor performance by minimizing back pressure, reducing gas blowback, and optimizing gas flow.
• 223 Wylde Chambering: Designed for outstanding accuracy and reliability, accommodating both .223 Remington and 5.56mm NATO.
• Barrel Length: Features an 11.85” barrel with a 1:8 twist rate and a muzzle velocity of 2741 fps.
• Muzzle Device: A2 Flash Hider expertly mitigates muzzle flash for improved shooter visibility.
• Upper Receiver: PWS Proprietary Piston Upper, 6061 extrusion, anodized for durability and strength.
• Handguard: PWS M-Lok™ 11” Handguard offers improved handling and accessory mounting options (1.7” width, 2.25” height).
• Charging Handle: Radian Raptor™ Ambidextrous Charging Handle ensures smooth operation for both left and right-handed shooters.

SPECS

• Caliber: .223 Wylde
• Barrel Length: 11.85”
• Weight: 4 lb. 2 oz.
• Length: 20.5”
• Piston System: Carbine
• Velocity: 2216 ft/sec
• MK111 PRO Upper Features: PWS long stroke piston operating system, 3-setting adjustable gas system, 6061 Extruded Upper receiver, eliminated forward assist, A2 Flash Hider, 1:8 barrel twist rate, Radian Raptor Charging Handle.