Have a 25” 6gt bartlein mtu 7.5 twist .120 fb barrel. Has 900 rds on it. Cleaned every 200ish rounds. Had 5 rounds on it when I bought it November of last year. Has no engraving or caliber markings. Only shot factory Hornady 109eldms. Used for 2 multi day training classes and 2 1 day comps. Bought while waiting on a barrel from straight jacket and it’s finally here. Will add pics this evening. $275 tyd CONUS, PPFF or Zelle