2 mm pinfire

The 2 mm pinfire is a pistol cartridge with a small lead bullet for small souvenir 2mm-chambered pinfire guns, many of which are around 1.5 inches in length, at a speed of around 1,000 feet per second. Despite the relatively high velocity, its kinetic energy is only around 1 foot-pound due to the small projectile. Many 2mm rifles and pistols are made in limited quantities as collector's items. The most common types are single-shot pistols and revolvers.