Used (25 rounds) Faxon Match Series 300 Blackout Barrel.


7.5", 1:5 Twist for heavy subs, 4165R 5R 


Barrel is in like new condition.  No issues.  Only marks from gas block set screws.  See Pics


Stabilizes 220 grain bullets no problem.


Just going in a different direction for long range subs.


Would prefer local transaction.  May travel to meet depending on distance.