This Match Grade AR-15 barrel is chambered in .223 Wylde for enhanced accuracy and versatility featuring an 18-inch length with 1-8 twist rate for optimal bullet stabilization.Match Grade AR-15 Barrel - .223 Wylde Chamber18-inch barrel length with 1-8 twist rateFlame fluted contour for weight reduction and heat dissipationNitride finish in black for corrosion resistance and durabilityRifle length gas system1/2-28 muzzle threads for suppressor/muzzle device compatibilityDesigned for precision shooting and competition use this barrel offers excellent accuracy potential while maintaining reliable function in your AR-15 build. The flame fluted profile reduces weight without sacrificing strength making it ideal for both competitive shooting and tactical applications.