The Guntec USA GT-UPPER-SL-IG AR-15 5.56 "Slabside" Stripped Billet Upper Receiver combines precision engineering with robust functionality. Crafted from high-quality billet aluminum, this upper receiver is designed for reliability and superior performance in any situation. Featuring an anodized Irish Green finish, it not only enhances aesthetic appeal but also provides increased resistance against corrosion and wear. This upper receiver is essential for building a lightweight yet durable AR-15. Made from high-quality billet aluminum Anodized finish for corrosion resistance Compatible with standard AR-15 components Precision machined for perfect fit Upgrade your build today with the Guntec USA GT-UPPER-SL-IG for unmatched quality and style.