I bought this for a build I was doing, but unfortunately it isn’t compatible with my other parts. It doesn’t leave enough clearance for the muzzle device I’m using. Only mocked up, never shot.
8.5” Criterion Core 300 Blackout Barrel. 1:7 twist rate, chrome lined, hand lapped, dimpled for set screw gas block. If you know Criterion you know they make quality barrels. I’m asking $220.
