MAXIM PDX UPPER 300BLK 5.5 ARID

The Maxim Defense Industries MAXIM PDX UPPER 300BLK 5.5 ARID is a precision-engineered upper receiver designed for compatibility with any Mil-Spec lower receiver. Featuring a compact 5.5-inch barrel, this upper is optimized for close-quarters performance while maintaining effective accuracy. Its design incorporates the innovative Maxim HATEBRAKE Muzzle Booster, a patent-pending device that helps reduce recoil and minimize flash signature, enhancing control and follow-up shot potential.

Constructed with a durable flat dark earth finish, the PDX upper balances ruggedness with a modern aesthetic. Utilizing a direct impingement gas system, it delivers reliable cycling and consistent operation. This upper receiver is ideal for users seeking a high-quality component for their AR platform that blends compactness with advanced engineering from Maxim Defense Industries.