American Defense MFG AR15 Barrels have the following features:
1−7 Twist, .224 Valkyrie chambered, 416R Stainless Steel, salt bath nitride finish, hybrid contour, rifle length gas system available in 18″ and 22″ lengths. The nitride finish provides corrosion resistance, reduced maintenance and enhanced accurate life. The barrel is hand lapped prior to finishing to provide the most consistent bore dimensions possible. Barrels are offered in Hybrid contour which promotes ease of handling. **These 1−7 twist barrels are optimized for the lighter grain .224 Valkyrie projectiles. Not recommended for use with 90 grain projectiles.**
Barrels are dimpled for set screw .750 Micro Gasblocks
Weight: 18” Barrel Rifle Gas- 2.3 lb
Weight: 22” Barrel Rifle Gas- 2.5 lb
Manufactured by Criterion Barrels Inc.