It has been a few years ago but I picked up a barrel and stock from Michael Lea to build a 4 bore blunder buss. It turned out real well. I picked up my hardware from Reives Gorhing and modified it to make it look like a English sea service piece. It was a hoot to shoot.
MICHAEL LEA AND DAUGHTER,
2109 Summit Street,
Columbus OH 43201.
614-291-4757
oldguns@core.com