Criterion Barrels Service Rifle DCM TARget Crown Barrel AR-15 .223 Rem Match 20in Heavy Service Rifle Rifle 1-7 Twist Polished

Criterion Barrels Service Rifle DCM TARget Crown Barrel AR-15 .223 Rem Match 20in Heavy Service Rifle Rifle 1-7 Twist Polished. Uniformity of the bore groove twist and a hand lapped finish improve the accuracy potential ofeach match qualitybarrel. The 1-7.7 twist on the 20in Heavy Service Rifle model allows for improved performance with heavier 80 gr. Sierra MatchKings without sacrificing the performance of lighter ammunition. These barrels are offered in both pre-ban (1/228 threaded muzzle) and post-ban (11 target crown) configurations. Chambers are finished but barrels should be headspaced and installed by a qualified gunsmith. Specifications for Criterion Barrels AR-15 Service Rifle DCM TARget Crown Barrel: Manufacturer: Criterion Barrels Color: White Fabric/Material: SS-416R Caliber: .223 Remington Barrel Length: 20 in Gas System Length: Rifle Length Barrel Twist Rate: 1-7.7 Barrel Material: 416R Stainless Steel Gun Make: AR Platform Gun Model: AR-15 Weight: 3.3 lb Gas Block Journal Size-Length: .750 in Features of Criterion Barrels AR-15 Service Rifle DCM TARget Crown Barrel .223 Rem chamber that is designed to safely and effectively fire .223 Remington 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 0.750in Gas Block dimpled for ease of installation and solid lock-up 11 target crown Precision-machined barrel extension with M4 feed ramps Package Contents: Criterion Barrels AR-15 Service Rifle DCM TARget Crown Barrel Criterion Barrels 15206-DCM-POST: Service Rifle DCM TARget Crown Barrel AR-15 .223 Rem Match 20in Heavy Service Rifle Rifle 1-7 Twist Polished