The .22 Long is a Rimfire cartridge with a Bullet Diameter of 0.223 in” (5.66mm) that is primarily used in Pistols and Rifles. The .22 Long originated in The United States in 1871. The .22 Long also has a case length of 0.595 in” (15.11mm) and an overall length of 0.88 in” (22.35mm).
The .22 Long is a longer variation of the .22 Short rimfire cartridge and is also part of the same .22 Caliber Rimfire Ammunition Family. The .22 Long uses a longer casing, heavier projectile, and larger powder charge than the .22 Short and thus is capable of faster velocities, although muzzle energy is almost negligible.
.22 Long ammunition is still produced by many companies worldwide and is in popular use in many regions, despite living in the shadow of its bigger brothers, the .22 Long Rifle and the .22 Winchester Magnum Rimfire. Brands such as CCI list .22 Long ammunition with muzzle velocities passing 1200fps and close to 100 ft/lbs of energy.
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