Ballistic Advantage Modern Series AR-15 9mm 5.5" Barrel 1:10 Twist

Ballistic Advantage 5.5 Barrel Features This 5.5 AR-15 Barrel is precision-machined with a straight contour making it lightweight at just 9.6 oz while maintaining structural integrity for consistent accuracy. The QPQ (Quench Polish Quench) finish enhances corrosion resistance and durability ensuring reliable performance in any condition. Its 1-10 twist rate is optimized for stabilizing a variety of 9mm bullet weights. The barrel features a blowback gas system ideal for pistol-caliber carbines and short-barreled AR builds. With 1/2-28 muzzle threads it is compatible with most muzzle devices and suppressors allowing for customization to meet your shooting needs. The compact size makes this barrel an excellent choice for AR-15 pistol builds chambered in 9mm Luger. Ballistic Advantage 5.5 Barrel Specifications Manufacturer: Ballistic Advantage Make: AR-15 Cartridge: 9mm Luger Barrel Length: 5.5 Gas System Length: Blowback Barrel Weight: 9.6 oz Contour: Straight Twist Rate: 1-10 Muzzle Threads: 1/2-28 Finish: QPQ