CBC Industries 9mm AR9 Barrel 1/2x 36 1-10 4in Black Nitride

CBC Industries 9mm AR9 Barrel 1/2x 36 1-10 4in Black Nitride. Designed for corrosion resistance this barrel will not let you down. This barrel is machined from 4150 Chrome Moly Steel heat treated to RC 28-32 hardness and properly stress relieved. This barrel has a nitride finish for increased strength and durability. It is chambered 9mm chamber with a 1:10 twist rate. This is the perfect barrel for an AR9 build keeping weight to an absolute minimum while still offering a significant ballistic advantage. Specifications for CBC Industries 9mm AR9 Barrel 1/2x 36 1-10: Manufacturer: CBC Industries Color: Black Finish: Black Nitride Barrel Length: 4 in Barrel Profile: Medium Threads per Inch: 1/2x36 Barrel Twist Rate: 1-10 Barrel Material: 4150 Chrome Moly Vanadium Gun Make: AR Platform Gun Model: AR-9 Weight: 1.9 lb Caliber: .355 Caliber Package Contents: CBC Industries 9mm AR9 Barrel 1/2x 36 1-10 CBC Industries 110-327: 9mm AR9 Barrel 1/2x 36 1-10 4in Black Nitride