Stun grenade

A flashbang or Concussion Grenade, and Flash Bang, a grenade with a loud bang (about 170-180 dB) and bright light ( 6-8 million Candela ) is exploding. Persons who reside in the vicinity of the explosion range, in this case be briefly disoriented, as visual and auditory perception are severely impaired. Usually caused by the explosion no splinters, making stun grenades can also be used when civilians are in the vicinity of the explosion (eg hostage ). Bang and flash of the explosion usually leave no lasting damage. The ignition mix is mostly based on magnesium and perchlorate base.

Often, a combination of noise and flash grenade is used, resulting in the perfect mess of people that are exposed to extreme stress unexpectedly. This type grenade is mainly used by special units of the police and military in the storming of a room or building.

Delay times are between 0.5 s and 1.5 s distinction is made between tactical stun grenades and projectiles irritation. In the flashbang sense of balance in the inner ear is overloaded by the excess pressure / volume. When irritation projectile which has between six and nine bang effects, the duration and volume to the perpetrator of the action itself (eg access to the police ) distracted.

A controversial special form of flashbang are firecrackers, as they are used in some countries by the police in the violent dispersal of demonstrations. The loud bang and the pressure wave to thereby disperse the demonstrators. When using such shells during a demonstration against the French breeder reactor Superphénix in July 1977, died one protester, when the blast of the explosions injured his lung. The French and Swiss police put the so-called " stun grenades " a still, in Germany the use of this special form of the flashbang is prohibited, however. The journalist Guy Smallman was seriously injured in 2003 during the protests in Geneva against the G8 summit in Evian- les- Bains 2003 by such a grenade on the left leg.