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This may have been covered before but..
If 40 cal = 10.16mm and 10mm = 39.37 cal, what is the difference between the two and why do people seem to prefer the 10mm over the 40 caliber? Is it in the loading?
Thanks,
Ed
If 40 cal = 10.16mm and 10mm = 39.37 cal, what is the difference between the two and why do people seem to prefer the 10mm over the 40 caliber? Is it in the loading?
Thanks,
Ed