Extremely powerful bolt-action dangerous-game cartridge from Canyon Cartridge Corp. 'Nyati' is Swahili for buffalo — the cartridge was developed for African buffalo and elephant hunting. Delivers approximately 9,200–10,400 ft-lbs of muzzle energy.
Type: Rifle
Introduced: 1994, United States
Parent case: None
Standardization: None
Bullet diameter: 0.585" (14.86 mm)
Case length: 2.8" (71.12 mm)
Overall length: 3.685" (93.6 mm)
Max pressure: 25,000 PSI
Rim type: Rimless
Primer: Large Rifle Magnum
Typical twist rate: 1:16
Muzzle velocity: 2350–2500 fps
Muzzle energy: 9197–10408 ft-lbs
Effective range: 100 yd
Common bullet weights: 750 gr
Primary use: Hunting
Production status: Active
Also known as: .585 Nyati Buffalo
History: Introduced in 1994 by Canyon Cartridge Corp as a dangerous-game alternative to the .577 Tyrannosaur. The .585 Nyati fires the same .585-diameter bullet as .600 Nitro Express in a compact bolt-action package. Extremely limited production — ammunition and brass must be sourced from specialty suppliers. The cartridge never achieved commercial traction beyond a small community of dedicated African…
Notable firearms: Custom bolt-actions only
Similar cartridges: .577 Tyrannosaur, .600 NE, .505 Gibbs