Product Description The One Horse LLC OH-BR06 is a 10.5-inch barrel chambered in 300 Blackout (300 BLK), purpose-built for AR-15 pistol builds that demand compact performance without sacrificing reliability. Crafted from 4150 Chrome Moly Vanadium (CMoV) steel, this barrel delivers outstanding durability and heat resistance through high round counts. The 1:7 twist rate stabilizes both supersonic and subsonic 300 Blackout projectiles, making it a versatile choice for a wide range of loads. Finished in a durable black coating, this barrel is designed for shooters who want a dependable, ready-to-run component for their pistol-length 300 BLK build. Product Highlights 10.5-Inch Pistol-Length Profile: Ideal for compact AR-15 pistol builds while maintaining effective 300 Blackout ballistics. 4150 Chrome Moly Vanadium Steel: Premium CMoV construction provides excellent strength, wear resistance, and longevity. 1:7 Twist Rate: Optimized to stabilize both supersonic and subsonic 300 Blackout ammunition for maximum versatility. 300 Blackout Chambering: Purpose-built for the 300 BLK cartridge, compatible with standard AR-15 lowers and magazines. Durable Black Finish: Corrosion-resistant finish protects the barrel and enhances its service life in demanding conditions. Specs Brand: One Horse LLC Manufacturer Part Number (MPN): OHBR06 UPC: 850078799159 Caliber/Chambering: 300 Blackout (300 BLK) Barrel Length: 10.5 inches Twist Rate: 1:7 Material: 4150 Chrome Moly Vanadium (CMoV) Steel Platform: AR-15 Intended Use: Pistol Build Shipping Weight: 1.3 lbs 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. ]]>