MEGA Arms Forged Lower Multi-Cal. Receiver

MEGA Arms Forged Lower Multi-Cal. Receiver. Machined per Mil-spec Requirements with critical tooling dimensions held within ±.001?. Functions with nearly all available stock parts. Features the original “Gator Grip” for easy handling. Lower features a nylon tipped upper tensioning screw. Machined from forged 7075-T6 aluminum. Black hard anodized with a surface hardness of 60 Rockwell. 8.7 oz weight.