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The Aguila SSS gives about 950 ft/s (290 m/s) velocity with a 60-gr bullet offering energy (163 Joules) equivalent to many high velocity .22 long rifle rounds using standard 40-gr bullets. Other heavy-bullet subsonic rounds perform similarly and are intended for hunting small game or controlling dangerous animals while avoiding excessive noise.
Aguila Ammunition is a Mexican manufacturer of firearms cartridges, under Industrias Tecnos of Cuernavaca. Industrias Tecnos was established in 1961, under the name Cartuchos Deportivos de México (It was changed to Tecnos in 1978), as a manufacturer of sporting and rimfire cartridges in collaboration with the American Remington Arms .
The .17 PMC/Aguila, also known as the .17 High Standard, is a rimfire cartridge formed by necking down the .22 Long Rifle casing to accept a .172" diameter bullet. This cartridge was developed in 2003 by firearms maker High Standard and ammunition maker Aguila and introduced in 2004.
.22 Winchester Magnum Rimfire (.22 WMR): also known as the .22 Magnum, this is a longer rimfire cartridge based on the .22 Winchester Rimfire cartridge with an increase in both muzzle energy and velocity..22 Winchester Rimfire (.22 WRF): also known as the .22 Remington Special, it has slightly more muzzle energy than the more common .22 Long ...
The weight of the bullet is a key part of achieving a very high velocity for a rimfire round. It weighs only 17 grains (1.10 g) vs 30-40 grains (1.94-2.59 g) of a typical .22 LR bullet. [2]
.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.
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 short high-velocity exceeds the performance of the .22 long (with the exception of CCI's High Velocity 1217fps long loading), and the .22 short has displaced the .22 long as an alternate to the .22 long rifle for many .22 shooters. Fiocchi makes their Exacta Compensated Super Match SM200 with lead round nose at 650 ft/s (200 m/s).