Used to replace a "minute of man" barrel. - Criterion Barrels AR-15 Hybrid Rifle Gas System Barrel

I replaced a 20" heavy barrel on my coyote AR. The old barrel was a lot heavier with bad accuracy. The Criterion 18" barrel made a big difference. 1st, it shorted and lightened the rifle up. 2nd, it was Sub-MOA with Federal GMM 69gr SMK(.75 groups) and 77gr Federal GMM 77gr SMK(.5 groups) at 100yrd. The barrel even shot 1-1.25" groups with PMC Bronze 55gr FMJ BT ammo. The barrel did not like Hornady 75gr Match factory ammo. Large shot group at 100yrd. Shot it from 100 to 500yrd and it was sub MOA. Took it to 1k on steel and the rounds where going subsonic but we could see impact all around the steel target, if we didn't hit it. 85 rounds in the first trip to the range and I'm very happy with the results.