Re: 9mm, coppers--was RE: PA availability

>laserlight spake thusly upon matters weighty: 
>
>> > 9mm ain't that bad. But, as far as I know, criminals can and do use
>> 
>>   I sell industrial plastics, including polycarbonate laminates
>> ("bulletproof glass").  The factory sent us some samples of 1.250"
sheet,
>> composed of 2 layers 0.125 thick sandwiching two layers 0.500"
thick--and
>> the samples had been tested, just to help make the point.  The 9mm Hi
Power
>> slug penetrated 3 layers (ie 1.125") and dimpled the last layer.  The
.45
>> cal only penetrated the first (.125") layer, whereupon it fragmented.
>>   The moral of the story, of course, is "don't get shot."
> 
>This penetration is one of the reasons police have to be very careful 
>in in-building scenarios. If they overpenetrate, they can kill 
>civilians. And overpenetration on a fleshy target doesn't give KE 
>transfer or tissue damage to the extent that a 
>fragmenting/mushrooming round that stops does. 
>
>Tom.
 
Which explains the increasing popularity of the 10mm (.40 cal)
round. It offers better stopping power than 9mm, but higher
ammo capacity than .45 cal.
 
- Sam

________________________________________
Samuel Reynolds
http://www.primenet.com/~reynol
reynol@primenet.com
samuel_reynolds@csgsystems.com