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

SKU: FLX-PWSMK1-M1U-762X39-16

Regular price $1,135.98
Sale price $1,135.98 Regular price $1,209.95
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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

Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product’s manufacturer.

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