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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 .
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).
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, though the .22 long generally does not generate sufficient ...
Standard barrel lengths are 20" in the 10/22 Rifle, 18 1 ⁄ 2" in the 10/22 Carbine, and 16 1 ⁄ 8" in the 10/22 Compact Rifle which is also fitted with a shorter stock. All .22 Long Rifle versions use an aluminum receiver, while the discontinued .22 Magnum version used a steel receiver with integral scope bases.
.22 LR rifles (1 C, 42 P).22 LR submachine guns (5 P) Pages in category ".22 LR firearms" The following 19 pages are in this category, out of 19 total.
The company introduced the .22 Long Rifle round and made a number of rifle, shotgun, and target pistol designs. By 1902, they were advertising themselves as "the largest producers of sporting arms in the world". [1] They were purchased by New England Westinghouse on May 28, 1915, and again by Savage Arms on April 1, 1920. [2]
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.22 caliber, or 5.6 mm, refers to a common firearms bore diameter of 0.22 inch (5.6 mm) in both rimfire and centerfire cartridges. Cartridges in this caliber include the very widely used .22 Long Rifle and .223 Remington/5.56×45mm NATO. .22 inch is also a popular air gun pellet caliber, second only to the ubiquitous .177 caliber.