A Handy Piston Driven AR-15 Pistol Upper in Black

The MK1 Pro from PWS is a do it all piston driven AR-15 Complete Upper. The MK1 Pro is built with durability and reliability at the fore front. Starting from the inside out the Upper uses a long stroke gas piston arrangement that is meant to give this upper a better overall performance when compared to a traditional AR-15. The system is adjustable for gas output and is in the dependable Carbine gas system. The MK1 its self is made with high quality extruded aluminum receiver that gives this rifle a wonderful level of strength to weight and rigidity. The free floating rail is light and adds a good amount of adaptability with its use of the M-Lok accessory system. And for some other nice ergonomic touches this upper comes with a ambidextrous charging handle that makes for easier for one handed operation. Get a Upper that is made for getting through the rigors of the field with the PWS MK1 Pro.

Primary Weapon Systems MK111 Pro Specifications and Features:

• Primary Weapon Systems item #: 19-PM111UA0B
• AR-15 Complete Upper
• .223 Wylde (accepts .223 Remington and 5.56 NATO)
• 11.85" Barrel
• 1:8 Twist
• Carbine Piston System
• A2 Flash Hider Muzzle Device
• 3 setting Adjustable Gas Regulator
• 11" Free Float MLOK Handguard
• Ambidextrous Charging handle
• Weight: 6.94 lbs
• Extruded 6061 Aluminum Upper Receiver
• Black Finish

This upper receiver can be connected to any standard AR-15 pistol lower receiver. All NFA rules apply.