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The .22 long rifle, also known as the .22 LR or 5.7×15mmR, [4] [5] 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 rifles , pistols , revolvers , and submachine guns .
CCI (Cascade Cartridge Inc.), based in Lewiston, Idaho, manufactures rimfire ammunition, centerfire handgun ammunition, and primers for reloaders and industrial ammunition production. CCI made the first mini-mag rimfire ammunition in 1963, and in 1975 developed the Stinger, a high velocity .22 Long Rifle product.
.22 long rifle extra long (LR EX), a variant of .22LR with a longer casing but identical overall cartridge dimensions (see CCI Stinger).22 short, a cartridge used mostly in pocket pistols and mini-revolvers.22 Winchester Magnum Rimfire (WMR), a magnum cartridge that is longer and more powerful than the .22 LR.22 Winchester Rimfire (WRF), a ...
The most well known of these is the CCI Stinger, which goes so far as to stretch the case length slightly. The overall length is still within the max overall length for the .22 long rifle. The .22 long is still produced even after the change over to smokeless powders.
The most common rimfire cartridges are chambered for .17 caliber and .22 caliber. The bullet diameter for .17 caliber firearms generally measure .172 inch (4.37 mm), while the bullet diameter for .22 caliber firearms generally measure .222 inch (5.64 mm).
The .17 HM2 may or may not live up to its "Mach 2" name, depending on geographic location and conditions, with velocities out of a rifle of 2,100 ft/s (640 m/s). [3] The velocity is nearly double that of a standard .22 LR, which results in a much flatter trajectory out to its 175-yard (160 m) effective range.
Pages in category ".22 LR rifles" The following 42 pages are in this category, out of 42 total. ... This page was last edited on 26 June 2016, at 22:39 (UTC).
Both Winchester [8] and Federal [9] make star-crimped .22 Long Rifle snake shot loaded with No. 12 shot. These cartridges resemble traditional crimped blank cartridges . CCI 's rimfire and a few of the centerfire snake-shot cartridges use a hollow plastic capsule which holds the shot, and is often shaped like a bullet to aid in feeding. [ 10 ]