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The PWS MK116 MOD 1-M Upper Receiver is a high-performance, precision-engineered component designed for AR-15/M16-style rifles. Crafted by the renowned firearms manufacturer Primary Weapons Systems, this upper receiver delivers uncompromising reliability, accuracy, and versatility. Featuring the renowned PWS long-stroke piston system, the MK116 MOD 1-M maintains the exceptional dependability that PWS owners have come to expect. The fully forged 7075-T651 aluminum upper and lower receivers provide exceptional durability and strength, meeting mil-spec standards for seamless compatibility.
The MK116 MOD 1-M is chambered in the versatile .223 Wylde, accommodating both .223 Remington and 5.56x45mm NATO ammunition with exceptional accuracy and reliability. The 16.1-inch barrel features a 1:8 twist rate, delivering sub-MOA precision with high-quality ammunition. Complementing the precision barrel is the free-float MLOK handguard, offering improved handling and a wealth of accessory mounting options. The PWS FSC 556 muzzle device expertly mitigates recoil and muzzle rise, enhancing shooter control. The Radian Raptor ambidextrous charging handle ensures smooth operation for both left-handed and right-handed shooters. Whether you're a competitive shooter, a law enforcement professional, or a discerning enthusiast, the PWS MK116 MOD 1-M Upper Receiver delivers the performance, reliability, and versatility you demand.