|Place of origin||United States|
|Case type||Belted, straight|
|Bullet diameter||.620 in (15.7 mm)|
|Neck diameter||.646 in (16.4 mm)|
|Shoulder diameter||.646 in (16.4 mm)|
|Base diameter||.656 in (16.7 mm)|
|Rim diameter||.640 in (16.3 mm)|
|Rim thickness||.060 in (1.5 mm)|
|Case length||3.00 in (76 mm)|
|Overall length||3.65 in (93 mm)|
|Case capacity||196.6 gr H2O (12.74 cm3)|
|Primer type||Magnum Large Rifle|
The .600 Overkill cartridge is a hunting cartridge designed to fit the CZ-550 action, by American Hunting Rifles.
Design[edit | edit source]
The .600 Overkill was designed by Robert Garnick of Las Vegas, Nevada, USA. The case is based on the .600 Nitro Express, with a belt [.683 in (17.35 mm)] added for headspacing and the rim to fit that of the .505 Gibbs [.640 in (16.26 mm)] size bolt face.
This cartridge was intended to be the largest bullet that was able to fit in the CZ-550, and was designed specifically for the purpose of elephant hunting. The CZ-550 is able to fit 2 cartridges, with slight alterations. The .600 Overkill fires a 900-grain (58 g) bullet at more than 2,400 ft/s (730 m/s),
References[edit | edit source]
- McCarthy, Daniel. "Mini Compendium of Big Bore Cartridges". 470Mbogo.com. Archived from the original on 1 September 2010. http://web.archive.org/web/20100901170754/http://www.470mbogo.com/BigBoreCompendium/. Retrieved 4 September 2010.
- Templar, Stephen W (2008). Rexgun. Morgan Templar. pp. 106. ISBN 978-0-615-22413-8.
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