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Competition, Tactics & Training
Self Defense & Handgun Carry
9mm .40 .45 ?
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<blockquote data-quote="MoBoost" data-source="post: 1572750" data-attributes="member: 3455"><p>I'm 100% with you.</p><p></p><p>There is only one way to stop threat immediately - disruption of central nervous system: brain or spine. </p><p></p><p>Head - if you can penetrate the skull the incapacitation is immediate - caliber irrelevant, penetration a must.</p><p></p><p>Chest - unless you are shooting someone in the back - you'll have to go through clothing, ribs, soft tissue, etc - you have to get to the spine - penetration is a must, caliber again irrelevant.</p><p></p><p>Overpenetration theory - a bogus concept in self defense situation - if you can hit BG with just one bullet from a full magazine - you'll be doing better than average: in other words you have very good chances of missing all together, but if you get lucky you need a bullet that will get to the "goods".</p><p></p><p>Energy dump theory works with rifles; but with pistols you just don't have enough energy to dump. All you hoping for is hitting VERY important stuff - you want the bullet that keeps going through and through, not stop on a ribcage or in clothing.</p><p></p><p>Bigger hole - more blood theory: obviously bigger hole will bleed more - but I don't think it matters "now"; BG bleeding out 15 minutes instead of 75 minutes later doesn't help you in next 10-30 seconds: direct hit in heart or major artery will cause fairly quick death; but again the caliber doesn't matter.</p><p></p><p>Now, with all that said - I'm sitting here and wondering - what exactly the SD/expanding pistol rounds provide over FMJ?</p><p></p><p>P.S. I have and carry all three calibers without much preference, but I do carry SD-type ammo, but that last question really makes me think again "why".</p></blockquote><p></p>
[QUOTE="MoBoost, post: 1572750, member: 3455"] I'm 100% with you. There is only one way to stop threat immediately - disruption of central nervous system: brain or spine. Head - if you can penetrate the skull the incapacitation is immediate - caliber irrelevant, penetration a must. Chest - unless you are shooting someone in the back - you'll have to go through clothing, ribs, soft tissue, etc - you have to get to the spine - penetration is a must, caliber again irrelevant. Overpenetration theory - a bogus concept in self defense situation - if you can hit BG with just one bullet from a full magazine - you'll be doing better than average: in other words you have very good chances of missing all together, but if you get lucky you need a bullet that will get to the "goods". Energy dump theory works with rifles; but with pistols you just don't have enough energy to dump. All you hoping for is hitting VERY important stuff - you want the bullet that keeps going through and through, not stop on a ribcage or in clothing. Bigger hole - more blood theory: obviously bigger hole will bleed more - but I don't think it matters "now"; BG bleeding out 15 minutes instead of 75 minutes later doesn't help you in next 10-30 seconds: direct hit in heart or major artery will cause fairly quick death; but again the caliber doesn't matter. Now, with all that said - I'm sitting here and wondering - what exactly the SD/expanding pistol rounds provide over FMJ? P.S. I have and carry all three calibers without much preference, but I do carry SD-type ammo, but that last question really makes me think again "why". [/QUOTE]
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