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For an excellent, detailed explanation of how the FBI performs this kind of gelatin testing, see the article on ... For those looking for more traditional large caliber bullet performance, the 180gr Tactical Gold Dot from ProLoad (at 1,2000fps and 576 ft-lbs of energy) gives deeper penetration and better weight retention.
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greent.com/40Page/general/defammo.htm
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For example, you have probably heard of a ".22 caliber rifle." In all of these cases, the caliber number indicates the diameter of the bullet in inches. So a .25 caliber bullet is a quarter of an inch in diameter.
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www.howstuffworks.com/question260.htm
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Unfortunately, the simple explanation is far from complete. Most but not all 22 caliber guns have a groove diameter of .224", or 5.70mm but may be designated 5.56mm like the NATO rifle cartridge, which for all intents and purposes is the same as the ... 45 caliber pistols usually shoot a bullet of .451" or .452" diameter,
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answers.yahoo.com/question/index?qid=20080421142008AAtB...
answers.yahoo.com/question/index?qid=20080421142008AAtBgYN
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Ammunition comes in different lengths, shapes, and diameters depending on the type of bullet or case used. If the case is really small, chances are it is a .22 rimfire cartridge. ... 22 Hornet and 222 Remington use a .22 caliber bullet but use a centerfire cartridge case.
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homestudy.ihea.com/ammo/07sizes.htm
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In the following link there is a nice explanation about this subject: ... For a 300 grain, .338 caliber bullet, the sectional density is: SD = [ 300 gr / (7000 gr/lb) ] / [ 0.338 in ]2 = 0.375 lb/in2 NOTE: With the common definition of the sectional density, the units have to be converted when used with drag functions,
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www.madsci.org/posts/archives/jul2001/994959321.Ph.r.ht...
www.madsci.org/posts/archives/jul2001/994959321.Ph.r.html
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Load From a Disk provides a single source, up-to-date, listing for all the bullet ballistic coefficients from most of the major ammunition and bullet manufacturers in the U.S.A. No more fumbling through half a ... Bullets are listed by manufacturer and caliber and the output can be routed to a printer for a hard copy.
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www.loadammo.com/Database.htm
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The handguns that have been introduced into the market in the past two decades—especially high-caliber, high-capacity, semiautomatic pistols—meet the ... R. P. Caruso, I. J. Delma et al., "Gunshot Wounds: Bullet Caliber Is Increasing," Journal of Trauma, Injury, Infection, and Critical Care, 46 (March 1999): 462.
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www.vpc.org/studies/unsafe.htm
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Explanation of the Bullet Caliber Chart; The cartridge of the bullet acts like a covering for the ammunition inside. After the bullet has been fired, the cartridge is ejected from the gun and a new bullet takes its place.
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www.buzzle.com/articles/bullet-sizes-bullet-caliber-cha...
www.buzzle.com/articles/bullet-sizes-bullet-caliber-charts-for-size-comparison.html
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Rifle Caliber / Bullet Twist – -(AmmoLand.com)- The information below will help you select the best barrel twist for your specific needs, ... By way of explanation, the numbers in the Twists column indicate how far the bullet must travel through the bore to make one full revolution. This is determined by the rate of...
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www.ammoland.com/2009/01/14/rifle-calibers-bullet-twist...
www.ammoland.com/2009/01/14/rifle-calibers-bullet-twists-charts-available-brownells/
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