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HM Defense Complete 5.56 Upper Receiver 12.5″ Mid, Nitride Available


Availability: In stock


This is a complete upper receiver from HM Defense!

This upper features a 12.5″ MONOBLOC Barrel with a midlength gas system surrounded by a custom 13 3/8″ inch HM Defense rail. This free float rail is build to withstand the toughest of conditions, and is machined out of 6061-T6 aircraft grade aluminum. The rail features Magpul M-Lok at the 3, 6, and 9 o’clock positions. The upper receiver is mil-spec forged 7075-T6 aluminum with a Type III Class II hard-coat black anodized finish, has standard M4 feed ramps and a 1913 picatinny rail flat top. The barrel exterior is cerakoted, the remaining components are not.

These uppers will ship with a Lead & Steel DLC M16 BCG and Mil Std. charging handle.


Barrel Finish

Cerakoted Barrel Exterior – Non-Lined Bore


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