These .204 Ruger cartridges are designed for efficient elimination of groundhogs, coyotes, and other “varmint” animals. Manufactured by Winchester at its newest production facility in Oxford, Mississippi, these cartridges fire a very light 32 grain polymer-tipped bullet at an astounding muzzle velocity of 4,000 feet per second. This combination produces instant fragmentation that’s sure to bring your target down quickly without risking overpenetration.

The .204 Ruger cartridge is one of the highest velocity commercial rounds in existence. Developed in 2004 as a joint project by Hornady and Sturm Ruger, it is descended from the .222 Remington Magnum. It is specifically targeted to the varmint hunting market, which demands highly accurate, fast-moving projectiles without needing deep penetration.

This ammo comes in boxes of 20 and uses non-corrosive Boxer primers and brass cases.

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.

The 204 Ruger was developed from the .222 Remington Magnum, which has the second largest case capacity in the family that began with the .222 Remington. Only the European 5.6×50 Magnum is larger, which itself is a lengthened version of the 222 Remington Magnum. The 222 Remington Magnum provides about 5% more usable (below the neck) case capacity than the most popular member of the family, the NATO 5.56×45 mm (.223 Remington). To make the 204 Ruger, the 222 Remington Magnum case was necked down to .204 inches (5 mm) and shoulder moved forward and angle increased to 30 degrees. Bullets available in .204 caliber range from 26 to 55 grains (1.7 to 3.25g).