Product Description AR-15 a Cerakote Tungsten Titanium-coated 80% Lower receiver. This AR-15 80% Lower Receiver is a great choice to start your DIY AR-15 build. Bead blasted and finished with a Cerakote coating. Machined to mil-spec tolerances Forged from 7075-T6 aluminum This is NOT a complete receiver. The magwell on this 80 percent lower receiver is fully broached for the perfect fit every time.