The Faxon Firearms DUTY 5.56X45 NATO 7.5'' BBL PISTOL-LENGTH NITRIDE barrel delivers compact, rugged performance for AR-15 platforms, featuring a 7.5-inch pistol-length profile with a pistol gas system that promotes reliable cycling and manageable recoil in a short configuration. Finished in durable black nitride, this 5.56x45mm NATO barrel weighs about 0.9 lbs and uses a 1-8 twist, with 1/2-28 muzzle threads for versatile muzzle device compatibility, making it ideal for a compact build that balances portability with accuracy. Its handgun contour and AR-15 compatibility design emphasize precision control and consistent shot placement, whether youre outfitting a personal-defense setup, a compact duty rifle, or a range-focused carbine that demands quick-handling characteristics. This barrel is purpose-built to deliver dependable performance in a compact package, supporting tight groups and repeatable performance when time and accuracy matter most. Build quality and finish work together to withstand routine field use and harsh environments, while allowing shooters to optimize their AR-15 configurations for tight quarters, fast follow-up shots, and dependable function under varied shooting conditions.