A gas pistol is a non-lethal weapon used for

self-defense Self-defense (self-defence primarily in Commonwealth English) is a countermeasure that involves defending the health and well-being of oneself from harm. The use of the right of self-defense as a legal justification for the use of force ...

and other purposes. It is typically a close-to-exact

replica A 1:1 replica is an exact copy of an object, made out of the same raw materials, whether a molecule, a work of art, or a commercial product. The term is also used for copies that closely resemble the original, without claiming to be identical. Al ...

or conversion of a traditional

handgun A handgun is a short-barrelled gun, typically a firearm, that is designed to be usable with only one hand. It is distinguished from a long gun (i.e. rifle, shotgun or machine gun, etc.), which needs to be held by both hands and also braced ag ...

made to be able to fire blanks or

tear gas Tear gas, also known as a lachrymator agent or lachrymator (), sometimes colloquially known as "mace" after the early commercial aerosol, is a chemical weapon that stimulates the nerves of the lacrimal gland in the eye to produce tears. In ...

cartridges. Effective range is up to 4.5 metres depending on

caliber In guns, particularly firearms, caliber (or calibre; sometimes abbreviated as "cal") is the specified nominal internal diameter of the gun barrel bore – regardless of how or where the bore is measured and whether the finished bore matc ...

. For legal purposes various techniques are used during manufacture/conversion to prevent the use of

live ammunition Ammunition (informally ammo) is the material fired, scattered, dropped, or detonated from any weapon or weapon system. Ammunition is both expendable weapons (e.g., bombs, missiles, grenades, land mines) and the component parts of other weapo ...

, such as using calibers exclusive to gas cartridges, welding obstacles into a non-removable

barrel A barrel or cask is a hollow cylindrical container with a bulging center, longer than it is wide. They are traditionally made of wooden staves and bound by wooden or metal hoops. The word vat is often used for large containers for liquids, ...

and using malleable metal alloys. Gas pistols are prevalent in European countries with strict

gun control Gun control, or firearms regulation, is the set of laws or policies that regulate the manufacture, sale, transfer, possession, modification, or use of firearms by civilians. Most countries have a restrictive firearm guiding policy, with onl ...

laws. Gas pistols are also used in weapons training, and as starting pistols, flare guns, and movie props.

Calibers

Most popular calibers are the 9mm Knall (9x17 mm R K, 9 mm R K, .380 Knall) for revolvers and the 9 mm PAK ( 9x22 mm) for semi-automatic. Other types include the .315 Knall, 8 mm Knall (8x20 mm), .22 Lang Knall, .45 Short Knall (.45 Knall) and the 6 mm percussion cap, loaded with 20–120 mg of

CN gas Phenacyl chloride, also commonly known as chloroacetophenone, is a substituted acetophenone. It is a useful building block in organic chemistry. Apart from that, it has been historically used as a riot control agent, where it is designated CN. It ...

CS gas The compound 2-chlorobenzalmalononitrile (also called ''o''-chlorobenzylidene malononitrile; chemical formula: C10H5ClN2), a cyanocarbon, is the defining component of tear gas commonly referred to as CS gas, which is used as a riot control agen ...

, CR gas (available only in Russia), OC ( pepper) agents, or blanks.

References

Non-lethal firearms {{Handgun-stub