Originally Posted by MichSteve
I don't believe that a bad shot with either a 9mm or a 40 cal. (10mm) is going to make any difference. Shot placement is what stops the fight, you can not justify that 1mm makes any difference, and with modern bullets the difference is not measurable.
I am not a fan of the 40 but I am realistic. I just dont like the recoil impulse of the 40. The 45 is actually easier for me to shoot. It is not just the 1mm, it is also the weight. The 180 grn 40 is bigger, heavier and faster than the 147 grn 9mm. That equates to more penetration through bone than the 9mm. Ballistic gel is not a very good approximation of the human body. We got hard parts and varying densities. The FBI and a lot of police departments switched for a reason. I am not an LEO and I dont run the risk of everyday encounters with possible multiple BGs. I was carrying G36 in 45 ACP but the recoil is starting to give me trouble so I am switching to 9mm in an equivalent weight pistol. With the 9mm I can accurately fire 11 rounds faster than I can accurately fire 7 rounds from my 45 with 230 grn bullets. The same would hold true for the 40 but to a different degree. I used the heavier weight bullets for caparison.
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Last edited by JTJ; 03-22-2012 at 12:28 AM.