Primary Weapons Systems' Complete Mk1 PRO Upper Receiver Group and complete rifles and pistols delivers premium long-stroke piston AR-15s at a and very affordable price.
With a stream-lined design and new 6061-T6 extruded upper receiver and featuring an A2 flash hider, the PRO line is able to save you plenty of money by simplifying manufacturing and while still providing the highly regarded long-stroke piston design that PWS rifles and pistols are known for.
- Operating System: PWS Long Stroke Piston System, 3-Setting Adjustable Gas System
- Muzzle Device: A2 Flash Hider
- Caliber: .223 Wylde
- Barrel Length: 16.1”
- Barrel: 416 Stainless Steel, Button Rifled
- Twist: 1:8
- Handguard: PWS free float Mlok™15” Handguard (1.6” width, 2.1” height)
- Upper Receiver: PWS Proprietary Piston Upper, 6061 extrusion, Anodized
- Charging Handle: Radian Raptor™Ambidextrous Charging Handle
|Shipping Restriction||ITAR/Export Restricted|
|Finish||Type III Class 2 Hardcoat Anodized|
|Upper BCG and Charging Handle||BCG/Charging Handle Included|
|Upper Receiver - Stripped or Complete||Complete|
|Upper Receiver Operation||Long Stroke Gas Piston|