Here are the muzzles on my 1930s Stevens 410. I measure the muzzle wall at .070 and where they meet at .143. So that says a .003 separation.



Here is the breech. Walls at center measure .352; chamber walls horizontally opposed .185 avg. Barrels are 26" and very good regulation.


Last edited by 2holer; 12/30/11 06:25 PM.