Maxim Defense Rifle Uppers for Sale

Maxim Defense Industries, LLC (United States) entered the Rifle Uppers market in early 2020, debuting the MDX and MD:15 lines at SHOT Show 2020 and keeping complete upper receiver groups as recurring catalog offerings. Built for short-barrel performance in the 5.5–10.3 inch range, these rifle uppers ship complete with a bolt carrier group and Radian Raptor charging handle, pair an armorer-level adjustable gas block with the HATEBRAKE muzzle booster, use an HK/416-height top rail with robust 7075/6061 aluminum and 17-4 stainless components plus M-Slot handguards, and are designed to run on standard Mil-Spec lowers.