- Posts 1
Last Activity:08-27-2010 2:52 PM
Posted in thread: 9mm vs 40 cal on 08-27-2010 at 07:56 PM
If you look at the diameter of the 9mm (.355) vs. the diameter of the .40, which is obvious,
you can see that theres only a difference of a little less than .05 inches. While there's not
too much of a...