Brownells 75th Anniversary - A Shooting Heritage
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Forged M4 Upper Receiver with all the features you need.

ZRODelta supplies this M4 upper with a matte black hardcoat anodizing.  All receivers feature M4 feedramps.  The 7075 forging is machined to the standard M4 or AR-15 contours.  Includes accommodation for forward assist and ejection port cover.

ZRO DELTA - AR-15 FORGED M4 UPPER RECEIVER 5.56MM

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Cartridge: 5.56 mm NATO

Finish: Black

Style: Stripped