Security, North America
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Key Point: These small guns pack a big punch.
The .22 Long Rifle (also known as 5.7×17mmR) cartridge is the oldest firearm cartridge still in common use. The “.22 LR” is so old that the cartridge’s date of invention is nearer to the Declaration of Independence than the present day. Despite the diminutive bullet’s age, it is still the most popular sub-.223 round in America by a wide margin, and the fifth most popular caliber overall, with...
Read this story at The National Interest