Battle Arms Development AR-15 5.25" 9mm 1:10 Steel Barrel

The Battle Arms DevelopmentA(R) AR-15 5.25" 9mm 1:10 Steel Barrel boasts a 1:10" twist for superior accuracy and precision and features an improved feed ramp for proper function with your rifle round after round. This barrel features a 1/2x36 thread pitch for use with your favorite muzzle devices. Plus, this barrel features 4140 steel construction with a corrosion-resistant nitride coating.