Maxim Defense PDX Upper 5.56 5.5″ Black

Experience superior performance with the Maxim Defense PDX Upper 5.56 5.5″ Black. Built for the Tier 1 community, this upper receiver group fits any Mil-Spec lower receiver, ensuring versatility and reliability. Featuring a 5.5″ barrel and the innovative Maxim HATEBRAKE Muzzle Booster, it reduces recoil and flash, enhancing control in close-quarter situations. Perfect for personal defense, its compact 14″ length does not compromise on accuracy. Designed for .223 REM/5.56 NATO, this direct impingement system is a top choice for those seeking power and precision.