Most modern bolt action safari rifles come with 22-24" barrels and the current SAAMI test barrel length for almost all rifle cartridges, including the. Winchester long ago changed to temperature resistant, non-clumping powder and solved the problem, but to this day the old rumors about unreliable performance persist in some quarters. This required a compressed load of Winchester ball powder and it was eventually discovered that sometimes the powder in older cartridges clumped, making for unreliable performance. The original Winchester factory ballistics called for a 500 grain bullet at 2130 fps MV and 5040 ft. The SAAMI maximum average pressure (MAP) limit is 53,000 CUP. The maximum COL is 3.34" and the bullet diameter is. case is 2.50" long and uses the standard belted magnum. Browning, Winchester, Remington, Ruger, CZ and many others have chambered for the cartridge. Since its introduction in 1956, there have undoubtedly been more. This makes it adaptable to practically all mass produced, bolt action hunting rifles. 458 Winchester is designed for magazine rifles with standard (.30-06) length actions. was the first American big bore cartridge designed for African dangerous game hunting.īased on a shortened, blown-out, straight taper. Introduced in 1956 in the Winchester Model 70 African rifle, the. 450 NE ballistics in a format suitable for most bolt action rifles is the. The most successful post-WW II cartridge designed to duplicate. A-Square, Hornady and Kynoch now offer factory loaded ammunition using 465-500 grain solid and expanding bullets with ballistics similar to the original load. 458 caliber cartridges were introduced and the. 45 caliber ban long irrelevant and forgotten, new.
450 rifles already in existence the caliber did not completely disappear. 450 NE suffered, but because there were so many. 45 caliber sporting cartridges the popularity of the. 458-.475 caliber dangerous game cartridges have been designed to approximately duplicate the ballistics of the. These ballistics proved to be ideal for the African Big Five dangerous game animals, as well as for tiger and water buffalo in India and Southeast Asia. 327) at a muzzle velocity of 2150 fps and muzzle energy (ME) of 4930 ft. The original load used a 480 grain bullet (SD. This huge cartridge is too big for repeating rifles, but fine for single shots and doubles. According to A-Square, the MAP is 39,187 CUP. 458" and the maximum cartridge overall length (COL) is 3.95". 450 NE uses a rimmed, straight tapered case 3.25" long. 450 NE double-barreled rifles were offered by many manufacturers in the UK and Europe. 450 3-1/4" NE was an immediate commercial success and. Introduced in 1898 by John Rigby & Company and based on the earlier. 450 3-1/4" Nitro Express was the most popular of the British dangerous game cartridges, with thousands of hunting rifles so chambered in use in sub-Saharan Africa and the Indian sub-continent. 577/.450 rifles against the Redcoats.Īt that time the. 45 caliber rifles illegal for civilians in their Sudan and Indian colonies in 1905, when insurgents were rebelling in both places and using captured British. 470 NE, had the British government not made all. There probably would have been no need for odd calibers beyond. 300 SD recommended as the minimum for thick-skinned game. 341, which is truly outstanding and well beyond the. 308 bullet) and the SD of a 500 grain bullet is. Use 350-450 grain bullets for the largest predators and 465-500 grain bullets for thick-skinned game.
458 bullets in the 350-500 grain weight range seem to have just about the ideal balance of cross-sectional area and sectional density (SD) for hunting dangerous game.
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