Criterion Barrels 20in AR-15 Hybrid Nitrided Rifle Gas System Barrel Black

Criterion Barrels 20in AR-15 Hybrid Nitrided Rifle Gas System Barrel Black. This barrel can be easily carried in the field all day but will also also provide exceptional performance even under extreme use and high rates of fire. Specifications for Criterion Barrels AR-15 Hybrid Nitrided Rifle Gas System Barrel: Manufacturer: Criterion Barrels Color: Black Finish: Nitride Fabric/Material: Steel Caliber: .223 Wylde Barrel Profile: Hybrid Gas System Length: Rifle Length Gas Block Journal Size-Diameter: .750 in Threads per Inch: 1/2x28 Barrel Twist Rate: 1-8 Flutes: No Gun Make: AR Platform Gun Model: AR-15 Additional Features: M4 Barrel Extension Features of Criterion Barrels AR-15 Hybrid Nitrided Rifle Gas System Barrel .223 Wylde chamber that is designed to safely and effectively fire both .223 Remington and 5.56 NATO ammunition Honed and hand-lapped rifling for bore uniformity and a pristine internal finish; aids in barrel cleaning and paramount for accuracy Finely polished chambers for reliable extraction and feeding Rifle gas system compatible with AR15 gas tube system Gas hole tuned for proper function with and without suppressor 0.750" Gas Block dimpled for ease of installation and solid lock-up 1/2x28 TPI muzzle threads compatible with a wide range of muzzle devices and suppressors Precision-machined barrel extension with M4 feed ramps Package Contents: Criterion Barrels AR-15 Hybrid Nitrided Rifle Gas System Barrel This product is compatible with the following gun models: AR-15 Criterion Barrels 1520S-HY12-N: 20in AR-15 Hybrid Nitrided Rifle Gas System Barrel Black