Product DescriptionThe Aim Sports Complete AR-15 Build Kit is designed for shooters assembling a rifle around a stripped lower receiver. Built for AR-15 platforms chambered in 5.56x45mm NATO, this complete kit combines a 16-inch upper assembly, bolt carrier group, lower parts kit, and mil-spec style stock buffer components into one convenient package. The receiver features durable aluminum construction with a black hard coat anodized finish, while the barrel is made from chrome moly vanadium steel for strength and dependable performance. This kit is a practical choice for builders who want a coordinated set of core components for a custom AR-15 project.Product Highlights Complete AR-15 build kit configured for 5.56x45mm NATO and designed for use with a stripped lower receiver. Includes a 16-inch upper assembly, bolt carrier group, lower parts kit, and carbine stock buffer components. Aluminum receiver with black hard coat anodized finish for durability and corrosion resistance. Chrome moly vanadium barrel construction supports reliable performance and long-term use. Features AR-15 platform compatibility, black A2 pistol grip, and 6-position collapsible carbine stock setup. Specs Brand: Aim Sports Manufacturer Part Number: AR5CUB5 UPC: 815879019721 Product Type: Complete AR-15 Build Kit Caliber: 5.56x45mm NATO Firearm Fit: AR-15 Action: Semi-Auto Firearm Type: AR Platform Barrel Length: 16 in Barrel Material: 4150 Chrome Moly Vanadium Steel Barrel Profile: Government Gas System Length: Mid-Length Barrel Twist Rate: 1:8 Handguard Length: 15 in Receiver Material: Aluminum Receiver Finish: Black Hard Coat Anodized Grip Type: Black A2 Pistol Grip Stock Description: 6-Position Collapsible Carbine Overall Length: 24.5 in Included Features: Complete upper with dust cover and forward assist, bolt carrier group, lower parts kit with fire control group, mil-spec buffer kit Color: Black Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.