The .20 VarTarg is a wildcat

Wildcat cartridge

A wildcat cartridge, or wildcat, is a custom cartridge for which ammunition and firearms are not mass produced. These cartridges are often created in order to optimize a certain performance characteristic of an existing commercial cartridge.Developing and using wildcat cartridges does not...

 centerfire rifle

Rifle

A rifle is a firearm designed to be fired from the shoulder, with a barrel that has a helical groove or pattern of grooves cut into the barrel walls. The raised areas of the rifling are called "lands," which make contact with the projectile , imparting spin around an axis corresponding to the...

 cartridge

Cartridge (firearms)

A cartridge, also called a round, packages the bullet, gunpowder and primer into a single metallic case precisely made to fit the firing chamber of a firearm. The primer is a small charge of impact-sensitive chemical that may be located at the center of the case head or at its rim . Electrically...

, based on the .221 Remington Fireball

.221 Remington Fireball

The .221 Remington Fireball was created by Remington Arms Company in 1963 for use in their single-shot bolt-action pistol called the XP-100. This was a special round designed for an experimental pistol, and has the highest velocity of any commercial pistol cartridge.-History:In the early 1960s...

 case, necked down to fire a .204 bullet. The VarTarg is most popular with varmint hunters because it provides good range (up to 300 meters) and uses relatively little powder, so the rifle barrel

Gun barrel

A gun barrel is the tube, usually metal, through which a controlled explosion or rapid expansion of gases are released in order to propel a projectile out of the end at a high velocity....

 doesn't heat up quite as fast. The diminutive VarTarg pushes the 32 grain projectiles over into the 3750 ft/s

Feet per second

The foot per second is a unit of both speed and velocity . It expresses the distance in feet traveled or displaced, divided by the time in seconds...

 range with much less powder than is used by the .204 Ruger

.204 Ruger

The .204 Ruger is a centerfire rifle cartridge developed by Hornady and Ruger. At the time of its introduction in 2004, the .204 Ruger was the highest velocity commercially produced ammunition, and the only cartridge produced commercially for bullets of .204 inch/5 mm caliber.-Characteristics:The...

. The VarTarg achieves this performance by using fast, high-energy propellants.

The name VarTarg is a portmanteau of varmint and target.

There is also a .20 VarTarg Turbo based on the .222 Remington

.222 Remington

The .222 Remington aka the Triple Deuce/Triple Two/Treble Two is a centerfire rifle cartridge introduced in 1950, and was the first commercial rimless .22 cartridge made in the United States...

See also

• .204 Ruger
  .204 Ruger
  The .204 Ruger is a centerfire rifle cartridge developed by Hornady and Ruger. At the time of its introduction in 2004, the .204 Ruger was the highest velocity commercially produced ammunition, and the only cartridge produced commercially for bullets of .204 inch/5 mm caliber.-Characteristics:The...
  
  
• .20 Tactical
  .20 Tactical
  The .20 Tactical is a wildcat centerfire rifle cartridge, based on the .223 Remington case, necked down to fire a .204" caliber bullet. The .20 Tactical was designed by Todd Kindler and predates the .204 Ruger factory round. The case has approximately 3 grains less powder capacity than the popular...
  
  
• .221 Fireball
• 5 mm caliber
  5 mm caliber
  This article lists firearm cartridges which have a bullet in the to caliber range.*Length refers to the cartridge case length.*OAL refers to the overall length of the cartridge.All measurements are in mm .-Rimfire cartridges:...
  
  
• List of rifle cartridges