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Old 10-10-2009, 12:08   #5
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Join Date: Dec 2004
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It's all liability. You'll find few manuf. that say it's fine to use handloaded ammo in their guns. The biggest issue w/ the 40 is it's a high pressure round. SOme chambers have less support than others & something simple, like a bullet setback, can jack pressures to 1.5x acceptable levels, huge potential KB. Use med.-med. slow powders, make sure you have good bullet/neck tension & stay off max. loads & you'll be fine for any handgun in any caliber. Many of the KBs reported are guys using fast-uberfast powders & heavy bullets to make major. No room for any error there.
"Given adequate penetration, a larger diameter bullet will have an edge in wounding effectiveness. It will damage a blood vessel the smaller projectile barely misses. The larger permanent cavity may lead to faster blood loss. Although such an edge clearly exists, its significance cannot be quantified".
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