Gas pistol

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A gas pistol is a non-lethal^{[citation needed]} weapon used for self-defense and other purposes. It is typically a close-to-exact replica or conversion of a traditional handgun made to be able to fire blanks or tear gas cartridges. Effective range is up to 4.5 metres depending on caliber. For legal purposes various techniques are used during manufacture/conversion to prevent the use of live ammunition, such as using calibers exclusive to gas cartridges, welding obstacles into a non-removable barrel and using malleable metal alloys. Gas pistols are prevalent in European countries with strict gun control laws. Gas pistols are also used in weapons training, and as starting pistols, flare guns, and movie props.