Discussion in 'Gunsmithing and Repairs' started by modwerdna, Jan 3, 2014.
I would not push my luck by trying smokeless powder in a muzzle loading shotgun, too many variables such as consistent wad pressure that could bite you.
I will do a few stress calculations on your tube and get back with you.
Really doesn't matter a lot as the use of punt guns way back when have most limited to no larger than 10ga for migratory birds.
So I am guessing a 1" Id bore is "slightly" larger than 10 gauge ? or Not?
1" is close to a 4 bore.
Here is mine shooting 2, 16 lb and one 12 lb bowling balls.
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