A-Square - Ammunition - 577 Tyrannosaur​

This entirely new cartridge was designed in 1993 in response to the demands of two professional African hunting guides who’d had bad experiences with lesser chamberings as backup guns when clients were hunting dangerous species. There is no secret to the design: This is the longest, largest diameter case that will properly function through a standard-size, bolt-action rifle. Bullet diameter is limited by the necessity of a sufficient case shoulder to control headspace. Design pressure assures proper functioning in even the hottest climes and will not overstress the action.


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