I was making 416 bullets from 30-30 brass and had made draw dies to get to 416 and occurred to me that since 416 was so close to 410, I could draw 410 jackets too. I decided to use plentiful & free 40 S&W cases. I made draw dies to draw them down to 409. I noticed that about 1/3 of my cases were nickel plated. My first instinct was to not use them for jackets. I drew some of them down & they required more effort, even with the Walnut Hill in the swaging mode. Does anyone have any evidence of bore wear or damage using nickel plated bullets? Also, does anyone use 9 mm cases to make 41 Mag bullets. Is it a problem expanding the 9mm base up to 410.
Bob