The Piston

$1,317.00

The Primary Weapons Systems MK116 Pro Rifle is a departure from the standard AR-15, as it institutes a gas piston system rather than the traditional direct impingement system. Gas piston systems disperse the gasses outside the receiver, rather than directing it back into the receiver, keeping your operating system cleaner.

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The Primary Weapons Systems MK116 Pro Rifle is a departure from the standard AR-15, as it institutes a gas piston system rather than the traditional direct impingement system. Gas piston systems disperse the gasses outside the receiver, rather than directing it back into the receiver, keeping your operating system cleaner.

  • Operating System: PWS Long Stroke Piston System
  • .223 Wylde Barrel
  • Compatible with 5.56 NATO or .223 Remington Ammunition
  • 16.1” 416 Stainless Steel Button Rifled, 1:8 twist Barrel
  • PWS free float Mlok™15” Handguard (1.6” width, 2.1” height)
  • Upper Receiver: PWS Proprietary Piston Upper, 6061 extrusion, Anodized
  • Radian Raptor™Ambidextrous Charging Handle
  • PWS MK1 MOD 1-M Multi-Caliber Lower, T6 7075 Forged, Anodized
  • Upgraded Timney Single Stage Trigger With A 3 lbs Pull Weight
  • PWS patented Enhanced Buffer Tube
  • Ratchet Lock Castle Nut and Endplate set with built-in QD mountPWS Enhanced H2 Steel Body Buffer
  • Bravo Company USA® Pistol Grip, Buttstock
  • Odin Works Atlas Compensator
  • 3-Setting Adjustable Gas System
  • Magpul Dual QD Sling Gen 2
  • Optics Ready (No sights included)

This weapon can be customized and upgraded to your specifications. Refer to the custom order form and mention this rifle. A member of our custom tactical build team will contact you and help with your upgrades.