222 Remington

The .222 Remington was introduced in 1950, it was the first commercial rimless .22 (5.56 mm) cartridge made in the United States. As such, it was an entirely new design, without a parent case. The .222 Remington was a popular target cartridge from its introduction until the mid-1970s and still enjoys a reputation for inherent accuracy. It remains a popular varmint cartridge at short and medium ranges with preferred bullet weights of 40-55 grains and muzzle velocities from 3000-3500 fps.