TacFire AR Barrel Features The TacFire AR Barrel is chambered in .300 AAC Blackout and cut to a 16 length keeping the rifle within standard non-NFA configuration while retaining solid velocity for the cartridge. A 1:8 twist rate stabilizes the broad range of bullet weights shooters load in .300 AAC Blackout from lightweight supersonic rounds to heavier subsonic loads. The black nitride finish provides a hard corrosion resistant surface that also aids in reducing friction during cycling. This combination of chambering and twist rate makes the barrel a versatile option for both range use and suppressed shooting. Whether used to finish a new AR-15 build or to replace a worn or damaged factory barrel this TacFire barrel offers a direct affordable upgrade path. Its black nitride finish matches the black furniture common on most AR-15 builds keeping the rifle s appearance consistent. The barrel s 16 length keeps the completed rifle compact and maneuverable without requiring NFA registration. This TacFire .300 AAC Blackout AR Barrel is available for sale at GrabAGun for AR-15 builders and owners. TacFire AR Barrel Specifications Manufacturer: TacFire Model: AR Barrel Caliber: .300 AAC Blackout Color: Black Finish: Nitride Twist Rate: 1:8 Barrel Length: 16 Available At: GrabAGun