The AR15 Lower Receiver Stripped from Andro Corp Industries is the essential starting point for any custom AR-15 build. Precision-machined and American-made, this stripped lower receiver offers maximum flexibility and quality for builders who want to select every component. This stripped lower is ready for your choice of lower parts kit, buffer assembly, and stock or brace. The multi-caliber, mil-spec design ensures compatibility with all standard AR-15 components and uppers. Features7075 forged for strength and durabilityType 3 hard coat anodized for superior finishMulti-caliber, mil-spec for ultimate build flexibility