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These lowers come engraved with FIRE / SAFE on both sides of the receiver. This Cerro-forged 80 percent lower is not an FFL item; classified by the ATF as a non-firearm. It's made from T6 heat-treated 7075 aluminum with a Type III hardcoat anodized finish to protect against wear and tear and corrosion. Its magwells have been flared and broached, and all it needs is a machined trigger and safety well in order to be a fully functional, mil-spec lower receiver. Review some of the graphics that can be engraved by clicking on the Magwell and Safety tabs above, and customize the look of your 80 percent lower. Shop at RightToBear.com and save with great discount pricing on your AR15 parts without sacrificing quality.