Originally Posted by CampingJosh
All right. Now that we have some people crunching numbers, let's again consider the range (20 feet). How fast is a .38 still traveling there? How fast is a .22 still traveling there? I really don't know, but I assume the .38 slows down much quicker.
Anybody know more?
At 20 feet the .38 bullets may slow to where hollowpoints don't expand much or even at all. In that case the .22 may edge a bit closer to par on the .38 bullet.
On the other side of the same coin...at 2 feet the .22 bullets may not be strong enough to remain intact a rifle barrel velocity, thus fail to penetrate and stop the threat...while the .38 at 2 feet is at it's best.
Either way that .357 bullet has more mass and cross section than the .224 bullet if no expansion is factored.
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