Criterion Barrels 18in AR-15 Fluted Rifle Gas System Barrel Stainless Steel

Criterion Barrels 18in AR-15 Fluted Rifle Gas System Barrel Stainless Steel. Their fluted barrels feature eight flutes around the circumference of the barrel to both the front and rear of the gas block jTheirnal. Each flute is polished to remove any sharp edges while maintaining a crisp appearance. Specifications for Criterion Barrels AR-15 Fluted Rifle Gas System Barrel: Manufacturer: Criterion Barrels Color: Silver Finish: Stainless Fabric/Material: Steel Caliber: .223 Wylde Barrel Profile: Fluted Gas System Length: Rifle Length Gas Block Journal Size-Diameter: .750 in Threads per Inch: 1/2x28 Barrel Twist Rate: 1-8 Flutes: Straight Gun Make: AR Platform Gun Model: AR-15 Additional Features: M4 Barrel Extension Features of Criterion Barrels AR-15 Fluted Rifle Gas System Barrel Polished stainless steel finish .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 Fluted Rifle Gas System Barrel This product is compatible with the following gun models: AR-15 Criterion Barrels 1518S-FL12: 18in AR-15 Fluted Rifle Gas System Barrel Stainless Steel