Product DescriptionThe One Horse LLC OHCU04 is a complete AR-15 upper receiver chambered for 300 Blackout and configured with a 16 inch barrel. Finished in black, this complete upper assembly is designed for shooters seeking a ready-to-install upper for compatible AR-15 platform builds. Supplementary source data indicates a 1:7 rate of twist, making it a practical option for a range of 300 Blackout shooting applications.Product Highlights Complete AR-15 upper receiver assembly for convenient installation on compatible lower receivers Chambered in 300 Blackout for versatile recreational, range, and tactical-style use 16 inch barrel length offers a balanced profile for handling and performance Black finish delivers a classic, low-profile look for AR-platform builds 1:7 twist rate supports common 300 Blackout projectile weights and configurations Specs Brand: One Horse LLC Manufacturer Part Number: OHCU04 UPC: 850078799319 Product Type: Complete Upper Receiver Platform: AR-15 Caliber: 300 Blackout Barrel Length: 16 in Rate of Twist: 1:7 Color: Black Style: Complete Category: AR15 Uppers 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.