Enhance your AR-15 with the Guntec USA 223UPPER-CKIT Upper Completion Kit, engineered for optimal performance and reliability. Crafted in the USA, this comprehensive kit includes all essential components to complete your upper receiver, ensuring smooth operation with every shot. Includes forward assist, spring, and pin for enhanced functionality Robust dust cover assembly protects your firearm from contaminants Compatible with .223 caliber rounds for versatile shooting Premium materials ensure durability and long-lasting performance Easy installation process suitable for all skill levels Maximize your AR-15's potential with this complete upper kit, designed for both new builds and custom upgrades.