The .22 Remington Automatic / 5.7x23mmRF (also known as the .22 Remington Auto and occasionally .22 Rem Auto) is a .22in (5.6mm)
American
American(s) may refer to:
* American, something of, from, or related to the United States of America, commonly known as the "United States" or "America"
** Americans, citizens and nationals of the United States of America
** American ancestry, p ...
rimfire rifle
A rifle is a long gun, long-barreled firearm designed for accurate shooting and higher stopping power, with a gun barrel, barrel that has a helical or spiralling pattern of grooves (rifling) cut into the bore wall. In keeping with their focus o ...
cartridge.
Introduced for the
Remington Model 16 semiautomatic rifle in 1916,
[Barnes, p.275, ".22 Remington Automatic".] the .22 Rem Auto was never used in any other firearm.
[Barnes, p.275, ".22 Winchester Automatic".] It will not chamber correctly in other .22 rimfire weapons, nor will other .22 rimfire ammunition, including the dimensionally very similar
.22 Winchester Automatic
The .22 Winchester Automatic (also known as the .22 Winchester Auto and occasionally .22 Win Auto) is a American rimfire rifle cartridge.
Introduced for the Winchester Model 1903 semiautomatic rifle,Barnes, p.275, ".22 Winchester Automati ...
, interchange with it.
This feature was to prevent use of
black powder
Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, charcoal (which is mostly carbon), and potassium nitrate, potassium ni ...
rounds, which were still popular when it first appeared, from being used in the Model 16, resulting in powder residue rapidly clogging the action and rendering the weapon inoperable.
[Barnes, p.275, ".22 Winchester Automatic" & ".22 Remington Automatic".]
The power of the .22 Remington Auto is comparable to the
.22 Long
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 bullet and of black powder, 25% more than the .22 ...
rimfire, and while it fires a heavier bullet,
it offers no performance edge on either the .22 Long or the very much more common
.22 Long Rifle
The .22 long rifle, also known as the .22 LR or 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 rifles, pistols, revolvers, and sub ...
.
It is not as accurate or as effective as the .22 LR, either.
See also
*
List of cartridges by caliber
Calibers in the size range of (mm, inches):
*2 mm caliber, 2 mm (.079+ caliber)
*3 mm caliber, 3 mm (.118+ caliber)
*4 mm caliber, 4 mm (.157+ caliber)
*5 mm caliber, 5 mm (.197+ caliber)
*6 mm caliber, 6 mm (.236+ caliber)
*7 mm caliber, 7 mm ...
*
List of rifle cartridges
List of rifle cartridges, by primer type, Caliber, calibre and name.
File:Cartridge Sample 2.jpg, 350px, From left to right: 1 .17 Hornady Mach 2, 2 .17 Hornady Magnum Rimfire, 3 .22 Long Rifle, 4 .22 Winchester Magnum Rimfire, 5 .17/23 SMc, 6 5mm ...
*
List of rimfire cartridges
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 ...
*
5mm caliber
References
Notes
*Barnes, Frank C., ed. by John T. Amber. ".22 Remington Automatic", in ''Cartridges of the World'', pp. 275, 282, & 283. Northfield, IL: DBI Books, 1972. .
*______ & _____. ".22 Winchester Automatic", in ''Cartridges of the World'', pp. 275 & 283. Northfield, IL: DBI Books, 1972. .
External links
TINCANBANDIT On The Forgotten Remington Model 16
Pistol and rifle cartridges
Remington Arms cartridges
Rimfire cartridges
Weapons and ammunition introduced in 1916
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