Description
The Maxim Defense PDX Upper in .300 AAC Blackout is engineered for close-quarter encounters and delivers maximum energy on target. With a compact 5.5″ barrel and an overall length of just 14″, this upper receiver is perfect for personal defense and concealment. Designed to fit any Mil-Spec lower receiver, it features the innovative Maxim HATEBRAKE Muzzle Booster which reduces recoil and minimizes flash signature, enhancing performance and control. Experience superior accuracy and reliability with the PDX U.R.G. system, crafted for the rigorous demands of the Tier 1 community.


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