The Guntec USA GT-UPPER-SL-GREEN AR-15 5.56 "Slabside" Stripped Billet Upper Receiver is precision-engineered for superior performance and durability. With its anodized green finish, this upper receiver not only enhances your rifle's aesthetic appeal but also withstands extreme conditions and wear. Machined from 6061-T6 aluminum for maximum strength Type III hard anodized surface coating for excellent durability Compatible with standard AR-15 parts for easy customization Lightweight design allows for improved handling Elevate your build with this high-quality billet upper receiver for precision shooting and reliability.