Discover the Guntec USA GT-UPPER-SL-R AR-15 5.56 "Slabside" Stripped Billet Upper Receiver, designed for precision and durability. Crafted from high-quality billet aluminum, this upper receiver offers a solid foundation for your AR-15 build. Perfect for custom builds, the unfinished surface allows for custom coatings or finishes, providing endless personalization opportunities. Its lightweight design does not compromise on strength, making it ideal for any shooting enthusiast. Manufactured from premium billet aluminum Lightweight and robust design Unfinished surface for custom finishing Compatible with standard AR-15 components Precision engineered for optimal performance Elevate your AR-15 project with the Guntec USA Slabside Upper Receiver for unmatched performance and aesthetics.