Product Description The Cobalt Kinetics CK-Pro Upper Receiver Group (URG) is a precision-engineered AR-15 platform upper assembly built for shooters who demand quality and performance. Featuring an 11.8" barrel length, this upper is finished in the distinctive CK Green color and constructed from high-quality aluminum for a lightweight yet durable build. The CK-Pro series represents Cobalt Kinetics&'; commitment to craftsmanship, offering a refined upper receiver group that is purpose-built for both tactical applications and range use. The CK Green receiver finish provides a unique aesthetic while maintaining the rugged reliability expected from Cobalt Kinetics firearms components. Product Highlights CK-Pro Series Quality: Part of Cobalt Kinetics&'; premium CK-Pro lineup, engineered for reliable performance and precision fit. 11.8" Barrel Length: Compact and maneuverable configuration ideal for close-quarters use and SBR-style AR-15 builds. CK Green Receiver Finish: Distinctive and durable CK Green finish sets this upper apart with a bold, tactical aesthetic. Aluminum Construction: Lightweight yet strong aluminum receiver material for lasting durability without unnecessary weight. Drop-In Compatibility: Designed as a complete Upper Receiver Group for straightforward installation on compatible AR-15 lower receivers. Specs Brand: Cobalt Kinetics Model: CK-Pro Manufacturer Part Number (MPN): CK-PRO-URG-118-S-CKG UPC: 850060560422 Firearm Type: Rifle (AR-15 Platform) Component Type: Upper Receiver Group (URG) Barrel Length: 11.80" Barrel Length Range: 11" to 11.99" Receiver Material: Aluminum Receiver Finish: CK Green 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. ]]>