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Primary Weapons Systems MK116 Pro 16 Inch Complete Assembled 5.56 NATO AR-15 Upper Receiver

SKU: 19-PM116UA0B

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Perfect Balance of a Cost-Effective Piston System & High-Quality Construction

The Primary Weapons Systems MK116 Pro Complete Upper is the perfect balance of a cost-effective piston system and high-quality construction and performance. It features a long-stroke three-setting adjustable gas piston, which is perfect if you’re planning on a variety of ammunition, or adding a suppressor.

The MK116 Pro includes a 15″ Free Float M-LOK handguard and a 416R steel 16.1-inch barrel with a 1:8 twist rate and an A2 flash hider. This complete upper is a great option if you want the reliability of a long-stroke system, with the ability to custom-tune the gas for optimal recoil control.

Features:

  • PWS carbine-length long-stroke piston system – combines the agility of the AR-15 with the reliability of the AK-47 into a sleek and efficient design
  • 3 easy to adjust gas settings
  • Perfect for shooters looking for a cost-effective piston system without sacrificing high quality
  • Continuous Picatinny top rail
  • Free Float M-LOK rail system
  • Radian Raptor ambidextrous charging handle
  • Extruded upper receiver that integrates an extremely solid handguard attachment system
  • The PRO line is the best value on the market for piston-driven operating systems

Specifications:

  • Operating System: PWS Long Stroke Piston System, 3 settings Adjustable Gas Regulator
  • Caliber: .223 Wylde
  • Barrel Length: 16.1”
  • Gas System Length: Mid-Length
  • Barrel Twist Rate: 1:8
  • Barrel Profile: Government
  • Muzzle Velocity: 2980 fps
  • Muzzle Device: A2 Flash Hider
  • Upper Receiver: PWS Proprietary Piston Upper, 6061 extrusions, Anodized
  • Handguard: PWS M-Lok™ 15” Handguard (1.7” width, 2.25” height)
  • Charging Handle: Radian Raptor™ Ambidextrous Charging Handle

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