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Stun grenade

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A stun grenade is a special tool used by soldiers and police. It has many other names like a flashbang or a flash grenade. Some people also call it a thunderflash or a sound bomb. These tools are meant to distract or stun people during a job. They are used in close combat or for riot control. They help people move through doors or handle hard situations.

M-84-Flash-Bang-Grenade
M-84-Flash-Bang-Grenade

When it goes off, the grenade works in a specific way. It makes a very bright flash of light. This light is about 7 megacandela. It also makes an extremely loud bang. This sound is more than 170 decibels. The device is built to stay in one piece. It has large circular holes in the casing. These holes let the light and sound escape easily.

People first made these to help with military training. They wanted to simulate explosions for soldiers to practice with. The British Army Special Air Service used them first. This happened in the late 1970s. Their counterterrorist wing used the tools for their work. Since then, police and military groups use them all over the world.

M-84-Flash-Bang-Grenade
M-84-Flash-Bang-Grenade

Inside the grenade is a special metal mix. It uses magnesium or aluminium as a filler. It also uses an oxidizer like potassium nitrate. This oxidizer helps the metal mix burn. This mix creates the bright light and loud noise. The casing stays whole so it does not break into pieces. This is different from a regular fragmentation grenade.

Even though they are not meant to kill, they are still dangerous. They can cause injuries or even death if they are too close. The heat from the blast can start fires. This happened during the 1980 Iranian Embassy siege in London. The stun grenades caused fires during that event. They can also cause permanent hearing loss. It is important to use them with great care.

M-84-Flash-Bang-Grenade
M-84-Flash-Bang-Grenade
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File:M-84-Flash-Bang-Grenade.jpg
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