The earliest large-scale use of standard military shotguns was during World War I. At that time, the US military was mainly used for trench assault. But it was first used in actual combat much earlier, and it was put into actual combat in the US-Philippines war of 1899. Excellent cooperation with Moro soldiers who are good at jungle melee ambush. Nowadays, shotguns are also widely used in special forces operations, urban law enforcement, armed escort, residents' self-defense, sports economy, hunting and other scenes.
The reason why modern shotguns can be used today without being eliminated is mainly related to their characteristics.
Shotgun is usually a smooth-bore gun without rifling, which can shoot as few as 6 or more projectiles at a time, with wide killing range, very accurate and very simple operation. So even without professional shooting training, you can master it quickly. The shotgun itself can also achieve multiple functions. It can be disguised as a rifle barrel to fire a single shot at large prey, but usually the single shot is mostly non-lethal ammunition such as rubber bullets, tear gas bullets and salt bullets. In addition, hunting and competitions, as well as specialized shotguns and sports guns. Shotgun is characterized by its large caliber, usually reaching 18.2 mm, and its muzzle kinetic energy is the same as that of a sniper rifle, but its muzzle velocity is very low, so you don't have to worry about ricochet. It can be used for urban law enforcement, avoiding innocent people, and its close-range power is great, and it can be used to destroy door locks. With the progress of the times, the shotgun is also progressing, and it is constantly improving its own characteristics to adapt to the new operational environment and requirements. Nowadays, in addition to manual drawing, shotguns are semi-automatic and fully automatic, which makes shotguns more powerful and can completely suppress each other. In addition, special muzzle devices are selected to control the diffusion angle and direction of the projectile, such as horn and throat-shrinking type. For civilian use, there are oval gun chambers, or barrels with different lengths and calibers are replaced.
Shotguns are not invincible. As mentioned earlier, the kinetic energy of bullets is very large, but because of the large number of bullets, the muzzle is large and the muzzle velocity is low, the penetration of bullets is very poor and the range is very close. When shooting at targets beyond 100 meters, ordinary bulletproof vests can easily resist. 1997. In the robbery of North Hollywood Bank in Los Angeles, the police basically held pistols and shotguns, and the bullets hit the robbers wearing bulletproof vests without any pain. So any weapon has its limitations.
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