22 Long Rifle Definition

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According to Merriam-Webster (n.d.), a caliber is the diameter of a bullet or other projectile. Much like the .30 caliber, the .22 caliber confusion is similar. The .22 caliber refers to the projectiles diameter only. The confusion is about the diameter and cartridge case size. Some people automatically think .22 Long Rifle, when they hear .22 caliber.
People don’t realize that there are almost 20 different cartridges in both; rimfire and centerfire that contain a, .22 caliber projectile. The Rimfire include; LR, BB, CB, CAP, Long, Extra Long, Short, Rimfire, WMR and Winchester Automatic. The centerfire includes; 5.56x45mm or .223, Accelerator, Eagerspliten Loudenboomer, Hornet, Remington Jet, BR Remington, Savage HP, Spitfire, PPC and TCM.

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