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|Place of origin||Australia|
|Parent case||.585 Nyati|
|Case type||Rebated rim, bottlenecked|
|Bullet diameter||.585 in (14.9 mm)|
|Base diameter||0.660 in (16.8 mm)|
|Rim diameter||0.590 in (15.0 mm)|
|Rim thickness||0.065 in (1.7 mm)|
|Case length||3.06 in (78 mm)|
|Case capacity||200 gr H2O (13 cm3)|
|Test barrel length: 25
The .585 Gehringer is a wildcat elephant gun cartridge based on the .585 Nyati. The cartridge retains the .585" bullet diameter but the case has been lengthened and the rim diameter reduced to fit bolt faces designed for cartridges similar to the .416 Rigby. It was designed over several years by Karl Gehringer, member of the Australian wrestling team, during service in the Australian Armed Forces.
3.25" Bertram brass can be used as a basis for .585 Gehringer cases. Cases need to be trimmed to 3.06" length and the rims rebated to fit a .416 Rigby bolt face. Case capacity is 200 grains to case mouth.
Like most elephant gun cartridges the purpose was stopping power on large dangerous game at close quarters. Power is dependent on the practicalities of gun weight and recoil. Like most 3"+ .585" wildcats, the .585 Gehringer will exceed 2,600 ft/s (790 m/s) with a 750gn bullet for near 11,400 ft·lbf (15,500 J) muzzle energy (roughly 4 times the power of 7.62×51mm NATO).
In 2001, Woodleigh 750gn softpoint and FMJ bullets were tested to 2,350 ft/s (720 m/s) as a suitable hunting load. Geoff McDonald of Woodleigh also provided a special run of 900gn softpoints for the rifle.
- ".585 Gehringer at Reloaders Nest". Retrieved 10 July 2013.