Primary Weapons Systems MK116 MOD 1-M 16.1in 7.62x39 Upper, Long-Stroke Piston, M-LOK MK1-M1U-762X39-16

Product Description

The Primary Weapons Systems (PWS) MK116 MOD 1-M upper receiver assembly is built for shooters who want the proven reliability of a long-stroke piston system in an AR-15–pattern upper. This complete upper features a 16.1-inch barrel in 7.62x39, a free-float M-LOK handguard for modern accessory mounting, and an anodized black finish for durability. A 3-position adjustable gas regulator helps tune performance for different conditions and ammunition, while the included Radian Raptor ambidextrous charging handle enhances handling and control.

Product Highlights

• PWS long-stroke piston operating system for cleaner-running, reliable performance
• 3-setting adjustable gas regulator for tuning and control
• 16.1-inch 7.62x39 upper receiver assembly designed to fit AR-15–pattern platforms
• Free-float M-LOK handguard for a lightweight, adaptable accessory setup
• Includes Radian Raptor ambidextrous charging handle for fast, intuitive manipulation

Specs

• Brand: Primary Weapons Systems
• Model/Series: MK116 MOD 1-M
• Product Type: Complete Upper Receiver Assembly
• Platform Fit: AR-15
• Caliber: 7.62x39
• Barrel Length: 16.1 in
• Operating System: PWS Long Stroke Piston System
• Gas Regulation: 3-setting adjustable gas regulator
• Handguard: Free-float M-LOK
• Charging Handle: Radian Raptor ambidextrous
• Finish/Color: Anodized, Black
• Muzzle Device: Triad30 (per listed configuration)
• Manufacturer Part Number: MK1-M1U-762X39-16
• UPC: 811154033512

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