.22 long
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The.22 long is a variety of.22 caliber rimfire ammunition. The.22 long is the second-oldest of the surviving rimfire cartridges, dating back to 1871, when it was loaded with a 29 gr bullet and 5 gr of
.22 long (left), .22 long rifle (middle), .22 Winchester Magnum Rimfire (right)
.22 long rifle
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The.22 long rifle, also known as the 5.7×15mmR, is a long-established variety of.22 caliber rimfire ammunition originating from the United States. It is used in a wide range of firearms, including rif
.22 long
…as a small game cartridge. In 1887, the .22 long case was combined with the heavier 40 gr (2.6 g) bullet of the .22 extra long of 1880 to produce the .22 long rifle, giving a longer overall length and a higher muzzle energy. Many firearms designed for the .22 long rifle will chamber and fire the shorter round…
.22 long rifle cartridges. The two .22 Long Rifle cartridges on the left have a standard case length of .613 in (15.6 mm). The .22 Long Rifle on the right has a slightly longer case length of .702 in (17.8 mm) and is a high-velocity .22 Long Rifle "Stinger" cartridge that uses lighter 30–32-grain (1.9–2.1 g) bullets.
Two .22 LR rounds compared to a .45 ACP cartridge
The subsonic Aguila Super Colibri
.22 caliber Aguila Sniper Sub-Sonic (right) with .22 long rifle for comparison