Product DescriptionThe Cobalt Kinetics CK?'Pro Upper Receiver Group (URG) is designed for AR-style end users who want to upgrade an existing rifle with the same performance-driven components found in complete Cobalt platforms. This stripped URG features a 6.75-inch configuration with an aluminum receiver and a durable Black Cerakote finish. Each CK?'Pro URG is expertly assembled by Cobalt Kinetics gunsmith staff and is test-fired for proper function before it ships.Product Highlights CK?'Pro stripped upper receiver group built to upgrade AR-style platforms Expertly assembled by Cobalt Kinetics gunsmith staff for consistent fit and function Test-fired for function prior to leaving the shop Aluminum receiver construction with Black Cerakote finish Compact 6.75-inch URG configuration for specialized buildsSpecs Brand: Cobalt Kinetics Model: CK?'Pro URG Type: Stripped Platform: AR-Style Length: 6.75 in Receiver Material: Aluminum Receiver Finish: Black Cerakote Manufacturer Part Number: CKPROURG675SBLK UPC: 850060560286Disclaimer: 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.