Editing 9x19mm Parabellum
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A main disadvantage of the 9x19mm is its tendency to overpenetrate flesh when poor quality expanding or non-expanding ball ammunition is used. When firing a round that does not expand, the 9x19mm produces relatively small wound cavities and reduced overall wound potential due to punching through without causing enough tissue disruption to stop the subject. This makes shot placement more critical with less than optimal ammunition, and the use of modern expanding [[hollow-point bullet]]s almost mandatory for most shooters. The energy delivered by most 9 mm loads allows for adequate expansion and penetration with premium JHP bullets. The energy may be marginal for imparting [[hydrostatic shock]] in human-sized living targets,<ref>[http://arxiv.org/abs/0803.3051 Scientific Evidence for Hydrostatic Shock]</ref> though the existence of this phenomenon has been questioned, especially regarding its possibility with handgun cartridges.<ref>[http://www.btammolabs.com/fackler/shock_wave_myth.pdf The Shockwave Myth] Fackler ML: Literature Review and Comment. Wound Ballistics Review Winter 1991: pp38-40.</ref><ref>Patrick UW: Handgun Wounding Factors and Effectiveness. FBI Firearms training Unit, Quantico, VA. 1989.</ref><ref>MacPherson D: Bullet Penetration—Modeling the Dynamics and the Incapacitation Resulting From Wound Trauma. Ballistics Publications, El Segundo, CA, 1994.</ref> | A main disadvantage of the 9x19mm is its tendency to overpenetrate flesh when poor quality expanding or non-expanding ball ammunition is used. When firing a round that does not expand, the 9x19mm produces relatively small wound cavities and reduced overall wound potential due to punching through without causing enough tissue disruption to stop the subject. This makes shot placement more critical with less than optimal ammunition, and the use of modern expanding [[hollow-point bullet]]s almost mandatory for most shooters. The energy delivered by most 9 mm loads allows for adequate expansion and penetration with premium JHP bullets. The energy may be marginal for imparting [[hydrostatic shock]] in human-sized living targets,<ref>[http://arxiv.org/abs/0803.3051 Scientific Evidence for Hydrostatic Shock]</ref> though the existence of this phenomenon has been questioned, especially regarding its possibility with handgun cartridges.<ref>[http://www.btammolabs.com/fackler/shock_wave_myth.pdf The Shockwave Myth] Fackler ML: Literature Review and Comment. Wound Ballistics Review Winter 1991: pp38-40.</ref><ref>Patrick UW: Handgun Wounding Factors and Effectiveness. FBI Firearms training Unit, Quantico, VA. 1989.</ref><ref>MacPherson D: Bullet Penetration—Modeling the Dynamics and the Incapacitation Resulting From Wound Trauma. Ballistics Publications, El Segundo, CA, 1994.</ref> | ||
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[[Image:CartridgeComparison.jpg|thumb|left|From left to right: [[.50 Action Express]], [[.44 Magnum]], [[.357 Magnum]], [[.45 ACP]], [[.40 S&W]], 9 mm Parabellum, [[.22 Long Rifle]].]] | [[Image:CartridgeComparison.jpg|thumb|left|From left to right: [[.50 Action Express]], [[.44 Magnum]], [[.357 Magnum]], [[.45 ACP]], [[.40 S&W]], 9 mm Parabellum, [[.22 Long Rifle]].]] | ||
[[Image:9mm Parabellum (Luger).jpg|thumb|left|Dimensions of the 9mm parabellum cartridge]] | [[Image:9mm Parabellum (Luger).jpg|thumb|left|Dimensions of the 9mm parabellum cartridge]] |