34" ported single barrel with wright's chokes #4,5,6,7,8,9 barrel work with Wilkinson and Wrights both names stamped on barrel flat. 740 bore 18.4 with 6 pin adjustable rib. Serial number shows 1997 manufacture. Looks like a small chip out repair by the trigger guard grip. really hard to notice. Forearm wood with matching serial # was cracked prior to purchasing and accidentally dropped and broke apart. Sent to Doug Braker for repair which he did, while waiting for return I found another forearm from an MX15 that matched and is currently on the gun,. Repaired forearm goes with the gun. MX8 bbls from 1996 manufacture date, 32" ported 18.4 bbls, top has 2-00's, bottom has 3-000's I think they are .023 bottom and .027 top. Comes with 6 Wright's chokes, MX part's kit 1 firing pin missing, single barrel, receiver, Butt stock and repaired forearm matching serial #'s. Trigger is bottom first. Gun was sent to Doug Braker Jan, 2018 to repair forearm, locking block redone, barrel lugs both barrel's, high vis sites installed both barrels plus replaced various springs: $800 worth of work plus shipping paper work will go with gun, perrazi owners manual MX 15, choke wrench, adjustable shims for the comb, Negrini combo case. Doug appraised Jan. 2018 @ $8000. This gun has shot less than 500 since rebuild. I purchased this as a backup to my Kolar combo while it was in for service. ASKING $ 7500 shipped to your FFL. Your FFL must accept from private party. May entertain selling MX O/U bbls seperate. Gun is very good to excellent. Smokes targets.