Posted by Drew Hause on October 20, 2018, 5:22 pm, in reply to "Re: Barrel bulge"
No personal experience Ted, but The Old Gun Doctor has been recommended by others. And any 100 year old gun deserves a good check and clean, with attention to the head of the stock. A 1920 20g is likely to have 2 1/2" chambers BTW http://www.oldgundoctor.com/index.htm 765-744-8735