UPDATED FOR 2020- Now using the SB Tactical SBA3™
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
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 Buffer Tube, Ratchet Lock Castle Nut and Endplate set with built-in QD mount
Buffer: PWS Enhanced H2 Steel Body Buffer
Furniture: SB Tactical SBA3™, BCM pistol grip
Overall Length (Collapsed): 28” (Extended): 31.5”
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.