The Mega Arms AR15 Upper Receiver is machined per Mil-Spec requirements with critical tooling dimensions held within +/- .001”. Features M4 feed ramps and functions with nearly all available stock parts.
· Machined from forged 7075-T6 aluminum.
· Black Hard anodized with a surface hardness of 60 Rockwell.
· M4 Feed Ramps
· Weight 6.9 oz.
· Made in the U.S.A.