Cartridges with an irritant substance (CN, CS, pepper). Cartridges for the expansion (gas) weapons used primarily for defense. Their mission is to after the shot to create a cloud of aerosols or very fine dust, containing irritants, which is a temporary paralysis of the attacker. The optimal effect of the substances is at a distance of 3-7 meters, it is not recommended to shoot at a distance of less than 1 meter. When you use can play a significant role headwind.
Otherwise known as blanks. Blanks for sharp weapons and for gas guns, causing the noise effect, where appropriate, applicable also for fireworks.