.14-222
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The .14-222 cartridge was created in 1985 by Helmut W. Sakschek as a "wildcat" cartridge. It is a .222 Remington case necked down to a .14 bullet.
[edit] Specifications
Bullet (grs.) Powder / (grs.) Muzzle Velocity (fps) Muzzle Energy (ft-lbs) 11.4 HP IMR 4198 / 20.0 4200 445 11.4 HP IMR 3031 / 21.0 4465 505