9MMand223only
New member
Just FYI, I ran a test of 1000 rounds in a XDM, where I used .357 diameter copper plated bullets for the 9 MM. All shot great, no issue whatsoever. Accurate too. Probably because they were not jacketed and harder, and the copper plated is relatively soft.
Then after that, I bought a LEE sizer in .356 and ran the rest through it to make them more normal for 9 MM.
I would not recommend solid copper, or jacketed, or premium type bullets oversize. Only copper plated.
Then after that, I bought a LEE sizer in .356 and ran the rest through it to make them more normal for 9 MM.
I would not recommend solid copper, or jacketed, or premium type bullets oversize. Only copper plated.