Originally Posted by
andrew375
Having measured MANY 9 m.m. bores I can assure you that you will probably find a .358" bullet will fit just nicely. Just for the record the only 9 m.m. I found that was actually on the oft quoted nominal .354" dia. was a 1945 vintage Spreewerk P.38. Largest was a new CZ75 at .362"!
My CZ75 slugged at .358" back in 1981. But still put .355" bullets into tight groups until the rifling went blunt after about 8k rounds.
Regards,
MikB
...history... is, indeed, little more than the register of the crimes, follies, and misfortunes of mankind. (Edward Gibbon: Decline and Fall of the Roman Empire)