The .20 VarTarg is a wildcat centerfire rifle cartridge, based on the .221 Remington Fireball case, necked down to fire a bullet.

The cartridge was created in 1996 by Todd Kindler, president of The Woodchuck Den, located in Baltic, Ohio. The name VarTarg is a portmanteau of varmint and target.

See also .204 Ruger .20 Tactical .221 Fireball 5 mm caliber List of rifle cartridges

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