Criterion Barrels 18in AR-15 HBAR Rifle Gas System Barrel Chrome-lined Parkerized

Criterion Barrels 18in AR-15 HBAR Rifle Gas System Barrel Chrome-lined Parkerized. 223 Remington and 5.56 NATO ammunition and can also safely fire 223 Remington and 5.56 NATO ammunition. Criterion AR-15 HBAR Match-Grade Rifle Barrels are chrome-lined internally for superior barrel life and corrosion resistance. When you need a barrel that will deliver superior rigidity and heat absorption or you need to find the sweet spot for rapid fire strings the HBAR barrel is an excellent choice. These barrels are optimized for competition use however they are also an reliable option for small-game hunting. You will also find that a barrel from Criterion Barrels has a superior internal barrel life and a great fit and they have great harmonics under rapid strings of fire. The barrels feature a 1/2x28 TPI muzzle threads a 0.750" Gas Block and muzzle threads that are compatible with a large range of muzzle devices and suppressors. The rifling is also polished which helps ensures reliable feeding and extraction. Each Criterion AR-15 HBAR Match Grade Rifle Gas System Barrel comes with a zeroed M4 feed ramp - ensuring this barrel will not only perform superbly in the field but also provide a great shooting experience Specifications for Criterion Barrels AR-15 HBAR Rifle Gas System Barrel: Manufacturer: Criterion Barrels Fabric/Material: Steel Caliber: .223 Wylde Barrel Profile: HBAR Gas System Length: Rifle Length Gas Block Journal Size-Diameter: .750 in Barrel Twist Rate: 1-8 Flutes: No Gun Make: AR Platform Gun Model: AR-15 Additional Features: M4 Barrel Extension Firearms Threads Per Inch: 1/2x28 Features of Criterion Barrels AR-15 HBAR Rifle Gas System Barrel Chrome-lined internally for superior barrel life and corrosion resistance. Their chrome-lining process is the most refined in the industry and will not degrade accuracy. .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 Carbine 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 ramp Package Contents: Criterion Barrels AR-15 HBAR Rifle Gas System Barrel What firearm models does the manufacturer say Criterion Barrels AR-15 HBAR Rifle Gas System Barrel is compatible with? The manufacturer says that Criterion Barrels AR-15 HBAR Rifle Gas System Barrel is compatible with AR-15Criterion Barrels 15180-HB12: 18in AR-15 HBAR Rifle Gas System Barrel Chrome-lined Parkerized