MX15 is in mint condition. Shot very little. The MX 15 is a single barrel with the 6 notch adjustable rib. It is a 18.4 bore which is 725. Barrel weight KG 1.670. Has chokes 4,6,8,10. 34" barrel. Send e-mail and I will send phone number for any more info. All numbers match. Trigger,wood, reciever, and barrel. Serial # 1287xx BT makes it a 2003.
Mark D Johnson