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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 caliber firearms generally measure .172 inch (4.37 mm), while the bullet diameter for ...
A wide variety of .22 LR ammunition is available commercially, and the available ammunition varies widely both in price and performance. Bullet weights among commercially available ammunition range from 20 to 60 grains (1.3 to 3.9 g), and velocities vary from 575 to 1,750 ft/s (175 to 533 m/s). .22 LR is the least costly cartridge ammunition ...
.22 Long, a cartridge predating the .22 LR, with the same case length using the lighter .22 short bullet.22 Long Rifle (LR), the most common cartridge type of this caliber, often referred to simply as ".22 caliber" or "22".22 Short, a cartridge used mostly in pocket pistols and mini-revolvers
Introduced in the Winchester M1890 slide rifle, it had a flat-nose slug, and is identical to the .22 Remington Special (which differed only in having a roundnosed slug). [2] It uses a flat-based, inside-lubricated bullet, which differs from the outside-lube heeled bullet of the .22 Short, .22 Long, .22 Long Rifle, and .22 Extra Long cartridges.
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 LR. [citation needed] As with the .22 Winchester Automatic [3] and .22 Remington Automatic, [4] the .22 extra long will not chamber correctly in .22 long rifle weapons. [2]
The .17 Hornady Mach 2, commonly known as the .17 HM2, is a rimfire cartridge introduced in 2004 by the ammunition manufacturer Hornady, following the successful launch in 2002 of the .17 HMR. The .17 HM2 is based on the .22 Long Rifle "Stinger" case, necked down to .17 caliber (4.5 mm) and using a bullet weighing less than half the weight of a ...
This ammunition became known as the "CCI Stinger." [ 7 ] The CCI Stinger has a slightly longer case length of .702 in (17.8 mm), compared to the standard case length of .613 in (15.6 mm) for the .22 Long Rifle, both of these cartridges have the same overall cartridge dimensions.
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.