The MK111 PRO Upper" features the PWS long stroke piston system. Internally" this line offers the tried and true system. Featuring a free-float MLOK handguard" with the fully forged upper. The MK111 Pro is a no-nonsense tool for when you need a high value option that is relentless and unstoppable.
Features:
- Operating System: PWS Long Stroke Piston System, 3-Setting Adjustable Gas System
- Caliber: .223 Wylde
- Barrel Length: 11.85"
- PWS free float Mlokâ„¢11" Handguard
- PWS Proprietary Piston Upper, 6061 extrusion, Anodized
- Radian Raptorâ„¢Charging Handle
Specifications:
- Barrel Length: 11.85"
- Caliber: 223 Wylde
- Caliber: 556NATO
- Color: Black
- Description: MLOK
- Fit: AR-15
- Manufacturer Part #: 19-PM111UA0B
- Model: MK111 Pro Upper
- Subcategory: Upper Receivers
- Type: Upper