Product DescriptionThe Cobalt Kinetics CK-Pro Upper Receiver Group (URG) is built for AR owners who want to upgrade performance to match the edge found in complete Cobalt Kinetics platforms. Each CK-Pro URG is expertly assembled by a gunsmith staff and test-fired for function before it ships, giving you added confidence when replacing or upgrading your existing upper assembly. Constructed from aluminum and finished in Black Cerakote, it's designed to deliver a durable, high-performance foundation for your build.Product Highlights CK-Pro Upper Receiver Group engineered to upgrade existing AR platforms with proven Cobalt Kinetics performance Expertly assembled by gunsmith staff for consistent fit and reliable function Function test-fired before shipping for added quality assurance Aluminum construction with a durable Black Cerakote finish 10.80-inch length (per distributor listing)Specs Brand: Cobalt Kinetics Model: CK-Pro URG Material: Aluminum Finish/Color: Black Cerakote Length: 10.80 in Manufacturer Part Number: CKPROURG108SBLK UPC: 850060560361Disclaimer: 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.