.600 Overkill

Wednesday, February 6th, 2019

.600 Overkill

Developed by Dr. Robert L. Garnick in 2000, the .600 overkill is the ultimate big game cartridge. Dr. Garnick designed it to improve on the .585 Nyati and developed was done with the CZ-550 using a GMA action with a 3 groove barrel.

The cartridge was intended to be the largest bullet to fit the CZ-550 and was specifically designed for elephant hunting. It is capable of propelling a .620 in. dia. 900 grain bullet at 2400 fps with 11,516 ft.-lbs. of energy. To date, over 100 .600 Overkill rifles have be built and used on safari in Africa.

Roberson Cartridge Company is a custom manufacture of Vintage, Obsolete, Hard to Find and Wildcat calibers.

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