OK, so I bought a '44 USMC Sedgley surplus barrel at a local gun show BEFORE I checked here! It looked fine when I inspected the bore & gauged the muzzle & throat. So, now I've been checking and have seen the posts here about the de-milled barrels that made it into the surplus market. I'm pretty sure I bought one! I ran a lead slug down the barrel, and I noticed resistance about 1/2 way down from the muzzle. I checked the slug, and it's .307 across the grooves & .300 across the lands. Opinions? I assume that's within spec for a unused barrel? So, I guess as long as the barrel is straight, it should be OK to use? Of course, I'll be working with a qualified gunsmith if I use it.
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