Criterion Barrels has partnered with Brownells to offer a number of AR-15 barrel models sold complete with a factory headspaced BCM bolt. Available in six different contours and lengths, rifle builders will not be required to utilize a set of headspacing gauges to properly install these barrels. Headspaced barrel sets are available for $374.99 on the Brownells website. The full list of available models is provided below:
Item Number | Length | Twist | Chamber | Gas System | Gas Block | Contour | Dealers |
15160-HY6 | 16″ | 1-8 RH | .223 WYLDE | Carbine | .750 | Hybrid | |
15160-HY8 | 16″ | 1-8 RH | .223 WYLDE | Mid-Length | .750 | Hybrid | |
15180-HY12 | 18″ | 1-8 RH | .223 WYLDE | Rifle | .750 | Hybrid | |
15200-HY12 | 20″ | 1-8 RH | .223 WYLDE | Rifle | .750 | Hybrid | |
15180-HB12 | 18″ | 1-8 RH | .223 WYLDE | Rifle | .750 | HBAR | |
15200-HB12 | 20″ | 1-8 RH | .223 WYLDE | Rifle | .750 | HBAR |