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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 .
Below is a list of rimfire cartridges (RF), ordered by caliber, small to large. Rimfire ammunition is a type of metallic cartridge whose primer is located within a hollow circumferential rim protruding from the base of its casing. The most common rimfire cartridges are chambered for .17 caliber and .22 caliber. The bullet diameter for .17 ...
In 1975, CCI engineers completed development of the first "hyper-velocity" .22 Long Rifle ammunition. This ammunition became known as the "CCI Stinger." [7] In early 2020, CCI introduced 14 new products. [8] CCI/Speer sells the Gold Dot line, component bullets, and handgun ammunition using a bonded copper-plated hollow point bullet.
The .17 HM2 (Hornady Mach 2) is based on the .22 Long Rifle and offers similar performance advantages over its parent cartridge, at a significantly higher cost. While .17 HM2 sells for about four times the cost of .22 Long Rifle ammunition, it is still significantly cheaper than most centerfire ammunition and somewhat cheaper than the .17 HMR.
.22 long rifle (LR), the most common cartridge type of this caliber, often referred to simply as ".22 caliber" or "22".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
In certain areas, the price of .22LR caliber ammo increased from 5¢ per round to upwards of 12¢ per round. Following the Sandy Hook shooting in 2012, public concerns on how government officials would legislate bans on specific calibers led to an increase in demand for ammo, motivating the price to increase, the continuation of which held some ...
Using the same 40 gr (2.6 g) outside-lubricated bullet later adapted for the much more common .22 long rifle, [2] the extra long was loaded with 6 gr (389 mg) of black powder. [2] Originally, it slightly outperformed the .22 LR, but was "not noted for great accuracy", [2] while later smokeless loads achieved about the same muzzle velocity as ...
The .22 long is a variety of .22 caliber (5.6 mm) 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 (1.9 g) bullet and 5 gr (0.32 g) of black powder, 25% more than the .22 short on which it was based.