Quote Originally Posted by RUTGERS95 View Post
from my reading, 10mm is not superior rather, they are pretty close. 10mm was developed to mimic 357 out of autloaders. I admit to not doing my own testing but there is plenty out there and see no 'superior' in it. To say something is superior, it must be materially better and 10mm doesn't hit that mark.

I can get some serious velocity with 158gr out of my 6" 686 and it's ridiculously accurate. I also know it's a proven round
The 10mm was not designed to give similar performance to the 357 mag. Jeff Cooper designed it to be a choice between the 45 ACP and 9mm. The factory Norma loaded it a lot hotter. When comparing the 357 to the 10mm the 10mm is more powerful especially with heavier bullets.


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