2mm Pinfire

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2mm Pinfire
Left to right: 12 gauge, 7x64mm, 22lr, 2mm Pinfire and a coin for scale
Type	Pistol
Service history
Used by	Xythos, 2mm Miniatures, and more
Specifications
Primer type	Pinfire

The 2mm Pinfire is a pistol cartridge for small 2mm-chambered pinfire guns. The projectile is comparable in size to a small shotgun pellet, and pistols chambered for 2mm rounds are often carried on a keychain. In the United States, 2mm pinfire guns are considered antiques or signaling devices and are not classified as firearms under federal law.^[1]