Fort Hood, shooting case, hasan major with two pistols, fired more than 100 rounds of ammunition, killing 13 people and wounding 30 people. He is one of two pistols revolvers (caliber and model unknown), the other is FN57. As Army major, Hassan sure that our basic firearms training, performance and use of handguns are more familiar with. He also explains the choice of pistols this point. Revolvers can be loading six-fat, good reliability, not afraid of blind fire, but re-loading slowly, with a range close to accuracy is also poor, for better self-defense at close range. FN57 are automatic pistol, is not that it can be repeating, but can be continuously pulled the trigger firing, without the need to re-pull bolt between each firing. The structure easier to withstand large revolvers recoil, so it can launch large powerful ammunition. Hassan did not know how much the caliber of the revolver was estimated to be .38, .40, .45 between a, it may be like Magnum to strengthen the power of bullets. But the revolver should not be a major weapon the assailant Hassan, the amount of capacity is too small bombs, firing more than 100 issued to loading almost 20 times, each time the total have to have tens of seconds to 1 minute? Estimated Hassan’s main weapon is FN57, revolvers only be used for magazines in the FN57 time to be defensive if someone rushed into use. Hassan would like to quite in thoughtful.This is the Belgian FN product, FN for the Fabrique Nationale, the national arsenal meaning. This is the world’s leading manufacturers of light weapons is one of Germany’s reputation never less than HK, the United States Colt. FN HP during World War II is the first large-scale production of automatic pistols, in both the Allied and German widely used, the national army is also widely used, since the National Army FN HP manufactured in Canada, so the national army FN HP has also become “Canada pistol.” After the war, FN FAL as NATO standard rifle standards, in the NATO countries, Israel, India and other countries widely used, FN MAG, FN Minimi Western countries and is still the standard general-purpose machine guns and light machine guns. In the 90′s, FN break the routine, developed a new 5.7-mm rounds, and on this basis, research and development of the P90 submachine gun and FN57 pistol, once again the world leader in the field of light weapons, the trend. P90 to break the traditional projectiles themselves – magazine structure, but the level of the magazine placed on the top gun in the breech loaded into the firing chamber when the rollover position. This structure is very compact, so that the world’s lightest P90 submachine gun, one small. FN57 is not as revolutionary in structure, but the engineering plastics frame and the reliability of the traditional FN make FN57 name of the gun has the potential to become a generation, the most important thing is, FN57 with the Western world’s largest magazine capacity, one can-loading as many as 20 rounds, while the usual 9 mm pistols can be loading 15-fa, the U.S. fans reluctant to part of the 11 mm gun M1911 Colt pistol and only 7 made capacity.
Bullets pass through the human body to achieve the anti-kinetic effect. Is proportional to kinetic energy and quality, but also with the speed proportional to the square. Traditional handgun cartridges are low-speed round shells, round head bolt recoil is conducive to auto-body-type smooth-loading, low speed so that recoil under control. Round also made it invades the human body resistance to increase and strengthen the role of resident only to avoid the high-speed bullet ripped through in order to reduce anti-personnel effect. Traditional handgun cartridges improve the quality by increasing kinetic energy warhead, so under the same conditions, 11-mm rounds of mass destruction than 9 mm, which is the U.S. 11 mm gun obsession with the main reason for fans. 5.7 millimeters a bullet from the traditional, adoption and rifle bullets, pointed the same high-speed projectile. High-speed conducive to increasing the kinetic energy of bullets, slender pointed shells invades the human body at high speed, easy to instability, resulting in rolling, the kinetic energy into a killing capacity. High-speed bullet pointed through the protective layer is also beneficial to enhance the capacity of the growing popularity of armor in the man today, it has a special significance. Caliber of the bullets was reduced, quality, reduced recoil is still under effective control, but the rate of increase to increase the kinetic energy into the relationship between the square of the larger increase in lethality. Small-caliber bullets, light weight, small size, easy to increase the magazine capacity, these advantages it is self-evident.
However, for small-caliber pistol circles practical effects of high-velocity bullets there is a big controversy, the focus is the small-caliber high-velocity bullets hit the body, the roll is formed in order to be able to effectively deliver kinetic energy to the body, rather than through the formation of lethal low injury. A similar controversy also exists in the rifle kingdom, and the U.S. M4 (M16 short tube type, are a large number of replacement M16) is also a major controversy here. But easily forgotten is the role of small-caliber bullets actually roll into the deposit rate was significantly higher when the speed dropped to a certain extent, the inertia will not be sufficient to form a roll, in fact easier to form a penetrating injury. This is precisely the issue on the battlefield in Afghanistan, U.S. soldiers with a short tube M4 shooting distance of the Taliban, due to a range of 5.56 mm ammunition in the far more on the spin-down, hit the formation of penetrating injury, resulting in the Taliban was shot will still be able to fight the problem. However, pistols and assault rifles at close range, this problem is not significant, Hassan shooting is proof of the effectiveness of handgun cartridges 5.7 millimeters.
China also has its own small-caliber handgun cartridges 5.8 millimeters, which is 5.8 millimeters rifle shells, and another completely different bullets, but warheads in diameter and 5.8 mm rifles, shells just the same. China’s 03-style assault rifles to use 5.8 millimeters handgun cartridges, the 60th anniversary of National Day military parade in the hands of a special forces weapon. 5.8 millimeters 92-type pistol equipped units also have some time, but at the same time equipped with 9 mm 92-style pistol seems to be more shows that the Chinese team the power of small-caliber handgun cartridges have scruples. As a military pistol, standard pistol should be 5.8 millimeters. Senior officers and junior officers with much the same with the no-caliber pistol, but is absurd, and junior officers with pistols and assault rifles of different caliber bullets with a more absurd. The role of the pistol on the battlefield has always been controversial, but since dispensed, and must play their role. The battlefield, where more than five rounds of ammunition magazines may be able to decide life and death, in the small-caliber handgun cartridges when the power of proven, there is no reason not to lower-ranking officers also dispensed 5.8 millimeters pistol.
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