Criterion Barrels 20" .223 Wylde Hybrid Nitride Rifle Length Barrel 1:8 Twist

Our most popular configuration, the Hybrid contour is a mid-weight barrel that offers a perfect balance between weight and intelligently distributed barrel material for excellent heat absorption and consistent harmonics. This barrel can be easily carried in the field all day but will also provide exceptional performance even under extreme use and high rates of fire.Headspace (the bolt to barrel fitment), must be checked for optimal performance and reliability. Proper headspace produces consistent chamber pressures and seating depths which results in increased accuracy and reliability, while reducing wear and tear on internal parts and components.FEATURES.223 Wylde chamber that is designed to safely and effectively fire both .223 Remington and 5.56 NATO ammunitionHoned and hand-lapped rifling for bore uniformity and a pristine internal finish - aids in barrel cleaning and paramount for accuracyFinely polished chambers for reliable extraction and feedingRifle gas system compatible with AR15 gas tube systemGas hole tuned for proper function with and without suppressor0.750" Gas Block, dimpled for ease of installation and solid lock-up1/2A-28 TPI muzzle threads compatible with a wide range of muzzle devices and suppressorsPrecision-machined barrel extension with M4 feed ramps