I have a like new, 34" unsingle barrel off of my MX 15. Bought the gun brand new last June. It has less than 1000 rounds through it. Only selling because I am shooting a top single now. weight 1.560kg,736 bore, .034 constriction-full....no tubes. Manufacture code is CH. Barrel is as new condition. Called local Perazzi dealer.....$4700.00 retail from Perazzi.....dealer quoted $4200.00. It comes with a Perazzi hard case as shown. Asking $3200.00 shipped. Thank you for looking.