Primary Weapons Systems MK1-M1U-762X39-16 MMK116 MOD 1-M Upper Receiver, 762X39, 16.1 Inches, AR-15, M-LOK, Anodized Finish, Black

Discover the revamped MK1 MOD 1-M line, optimized with the reliable PWS long stroke piston system for enhanced durability and functionality. Enjoy a free-float M-LOK handguard that provides versatile accessory mounting and improved heat dissipation during extended use. Benefit from forward assist controls and a design true to mil-spec standards, making it ideal for both civilian and law enforcement applications. Built with fully forged upper and lower receivers for unmatched strength and reliability in demanding conditions. Perfect for those seeking a high-value, no-nonsense option that delivers relentless performance and precision. Engineered for compatibility with AR-15 platforms, ensuring easy integration into your existing setup.

Features:

• Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator.
• Caliber: .223 Wylde.
• Barrel Length: 16.1.
• Gas System Length: Mid-Length.
• Barrel Twist Rate: 1:8.
• Muzzle Velocity: 2980fps.
• Muzzle Device: PWS FSC 556.
• Upper Receiver: PWS Proprietary Piston Upper, T6 7075 Forged, Anodized.
• Handguard: PWS M-Lok 15.05 Handguard (1.7 width, 2.25 height).
• Charging Handle: Radian Raptor Ambidextrous Charging Handle.

Specifications:

• Description: M-LOK
• Color: Black
• Fit: AR Rifles
• Accessories: Radian Raptor
• Type: Upper
• Manufacturer Part: MK1-M1U-762X39-16
• Model-2: MOD 1
• Manufacturer: Primary Weapons Systems
• Model: MK116
• Sub Category: Complete Upper Receivers
• Barrel Length: 16.1"
• Finish: Anodized
• Caliber: 7.62X39