.600 Overkill
| .600 Overkill | ||||||||
|---|---|---|---|---|---|---|---|---|
| Type | Hunting, Rifle | |||||||
| Place of origin | United States | |||||||
| Production history | ||||||||
| Designer | Robert Garnick | |||||||
| Specifications | ||||||||
| Parent case | None | |||||||
| 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 | |||||||
| Ballistic performance | ||||||||
| ||||||||
| Source(s): 470MBogo[1] | ||||||||
The .600 Overkill cartridge is a hunting cartridge designed to fit the CZ-550 action, by American Hunting Rifles.
Design
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,[1] 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
- 1 2 McCarthy, Daniel. "Mini Compendium of Big Bore Cartridges". 470Mbogo.com. Archived from the original on 1 September 2010. Retrieved 4 September 2010.
- Templar, Stephen W (2008). Rexgun. Morgan Templar. p. 106. ISBN 978-0-615-22413-8.
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