XTREME TACTICAL SPORTS BAR 5 300 – 5″ .300 Blackout Micro 1:7 Barrel

Enhance your compact AR build with the XTREME TACTICAL SPORTS BAR 5 300 – 5″ .300 Blackout Micro 1:7 Barrel, engineered specifically for shooters seeking dependable performance from a short-barreled platform. Chambered in .300 Blackout and featuring a 5-inch barrel length, this barrel is designed to maximize the cartridge’s effectiveness in compact configurations while maintaining excellent reliability and accuracy. The 1:7 twist rate provides optimal stabilization for a wide range of .300 Blackout projectile weights, making it suitable for both supersonic and subsonic loads.

Manufactured from premium 4150 CrMoV steel, this barrel delivers the strength and durability required for demanding shooting applications. A rugged black nitride finish enhances corrosion resistance and surface hardness while reducing wear over time. The medium-profile design offers an excellent balance between weight and durability, helping maintain maneuverability without sacrificing structural integrity.

Designed around a micro-length gas system, the BAR 5 300 is optimized for compact AR-platform builds where reliable cycling is critical. The barrel features a .750″ dimpled gas block journal for secure gas block installation and simplified assembly. At the muzzle, standard 5/8-24 threading provides compatibility with a wide variety of muzzle devices, compensators, flash hiders, and suppressor-ready accessories commonly used with .300 Blackout platforms.

Whether you’re building a compact defensive firearm, range setup, or specialized AR project, the XTREME TACTICAL SPORTS BAR 5 300 delivers the quality, precision, and durability serious shooters demand. Combining premium materials, proven barrel specifications, and a compact design, this barrel is an excellent foundation for your next .300 Blackout build.

Specifications

• Brand: XTREME TACTICAL SPORTS
• SKU: BAR 5 300
• Caliber: .300 Blackout
• Barrel Length: 5″
• Profile: Medium
• Twist Rate: 1:7
• Gas System: Micro Length
• Gas Block Journal: .750″ Dimpled
• Material: 4150 CrMoV Steel
• Finish: Black Nitride
• Muzzle Thread: 5/8-24
• Weight: 12 oz.
• Included: 1 × 5″ .300 Blackout Barrel Assembly