Machined from a 7075 T6 aluminum forging to mil-spec dimensions, this lower is compatible with all standard AR-15 parts. Tight tolerances give exact fit. Accepts .250" takedown/pivot pin holes and .154" trigger and hammer pins. Features Safe and Fire safety markings.
AR-15, Issue:10, Page:007
Big Book Catalog, Issue:68, Page:009
SPECS: T6 7075 aluminum, hardcoat anodized, matte black. 250 takedown/pivot pin holes. .154 trigger and hammer pins. FFL required for purchase.