Product DescriptionThe Cobalt Kinetics CK-Pro Upper Receiver Group (URG) is built for shooters who want to upgrade an existing AR-style rifle with the same performance-focused components used in complete Cobalt Kinetics platforms. Each CK-Pro URG is expertly assembled by gunsmith staff and test-fired for function before it ships, delivering a premium, ready-to-install upper receiver group with a durable Black Cerakote finish.Product Highlights CK-Pro Upper Receiver Group engineered to upgrade AR-style platforms with a performance edge. 14.5-inch 5.56x45mm NATO upper configuration for a compact, capable setup. Durable Black Cerakote receiver finish for enhanced wear and corrosion resistance. Expertly built by Cobalt Kinetics gunsmith staff for consistent quality and fit. Test-fired for function prior to shipment for added confidence and reliability.Specs Brand: COBALT KINETICS Model: CK-Pro URG Type: Upper Receiver Group Gun Platform: AR-Style Caliber: 5.56x45mm NATO (also listed as .223 Remington/5.56 NATO) Barrel Length: 14.5 in Finish: Black Cerakote Weight: 4.715 lb Package Dimensions (L x W x H): 24.8 x 4.5 x 4.4 in UPC: 850060560682 Manufacturer Part Number: CKPROURG556145BLKDisclaimer: 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.