Transform your AR-15 build with the Guntec USA GT-UPPER-KIT, tailored for precision and performance. This complete billet upper receiver combo kit offers seamless compatibility with 5.56 caliber components, delivering reliability and enhanced shooting experience. Constructed from high-grade aluminum, the Guntec upper receiver ensures durability without compromising weight. This kit includes all essential components for a full assembly, making it an ideal choice for enthusiasts and professionals alike. High-quality billet aluminum construction Lightweight and durable design Complete assembly, ready to install Compatible with standard AR-15 lower receivers Precision-engineered for consistent performance Elevate your firearm's capabilities with the Guntec USA GT-UPPER-KIT and experience superior craftsmanship in every shot.