Product DescriptionReplace a worn barrel or complete a compact AR-style build with the Diamondback DB Barrel in 5.56x45mm NATO. This 7-inch, pistol-length barrel is manufactured from durable 4150 chrome moly vanadium steel and finished in black nitride to help resist corrosion and wear for long-lasting performance.Product Highlights7-inch 5.56x45mm NATO barrel for compact AR-style pistol builds and upgradesPistol-length gas system for short-barrel configurationsBlack nitride finish for enhanced corrosion resistance and durability4150 chrome moly vanadium (CMV) steel construction for strength and longevity1:8 twist rate suitable for a wide range of 5.56 NATO bullet weightsSpecsBrand: DiamondbackModel: DB BarrelManufacturer Part Number: 556P7H50B8RUPC: 815875019169Caliber/Gauge: 5.56x45mm NATOBarrel Length: 7 inGas System Length: Pistol-lengthFinish/Coating: Black NitrideMaterial: 4150 Chrome Moly Vanadium SteelTwist Rate: 1:8Item Weight: 1.1 lbApprox. Package Dimensions (L x W x H): 12.0 in x 1.5 in x 1.4 inDisclaimer: 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.