Primary Weapons Systems Mk1 Mod 2-M Upper 16.1 223 Wylde 1:8 Ar Rifles

The Primary Weapons Systems MK1 MOD 2-M upper for AR rifles delivers the reliability of a long-stroke piston system with refined exclusives in a sleek, ready-for-action package. Built around a 16.1" 223 Wylde barrel with a 1:8 twist, this upper achieves impressive muzzle velocity and accurate performance across a broad spectrum of .223/5.56/.223 Wylde loads, while the PWS FSC 556 provides controlled operation and enhanced reliability under demanding conditions. The fully forged T6 7075 upper and