458 winchester magnum ballistics

This allows the caliber to penetrate deep into the tough, thick-skinned animal and lodge there, thus delivering a tremendous shock to the target and a fatal blow. This load went over the chronograph at a constant 2400ft out of a Marlin 1895GS. While some may argue that this is a short-coming, the limited capacity does promote consistent velocities and ef-ficient use of space. It is still the least expensive option for a true big bore, and despite the current popularity of .458-bashing, it is absolutely adequate for the world’s largest game." The .264 Winchester Magnum—a 6.5mm cartridge that still performs well—was a wonderful choice for deer, antelope and other species, the .338 Winchester Magnum would go on to become the darling of many elk hunters and would be relied upon by a formidable number of Alaskan guides and hunters alike. Numerous companies offer rifles in this caliber, including the Winchester Model 70, which was used by Clint Eastwood in Dirty Harry. By 1970 issues with the cartridge began to surface. The point isn't that the 45-70 is superior or even equivalent to the .458 Mag or the .458 Lott--it would be ludicrous to claim that. By the 1970s, Winchester rectified this issue by manufacturing the cartridge with non-clumping propellant. Due to clumping of the powder charge and the erratic burn characteristics associated with such loads, performance of the cartridge came into question. Making sure the animals didn’t suffer was very important to him. Excellence - Integrity - Service. Only discharge cartridges that are designed to be used in your particular firearm. 458 Win Mag Trajectory. The .458 Winchester Magnum was designed for use against heavy thick skinned African game species such as elephant, rhinoceros and African Cape buffalo. Recently other .458 cartridges and various .416 cartridges have gained wider acceptance, but the 458 Win Mag remains one of the popular choices. while the CIP mandates a maximum pressure of 4,300 bar (62,000 psi). The .458 Winchester Magnum remains one of the most popular game cartridges, and most major ammunition manufacturers offer a selection of .458 ammunition. The .458×2-inch American was designed as a medium power big bore cartridge by Frank Barnes for North American big game. The design criteria for the .458 Winchester Magnum called for it to launch a 510 gr (33.0 g) bullet at 2,150 ft/s (655 m/s) out of a 26 in (660 mm) barrel. [6], As almost all dangerous game hunting is conducted at short ranges with most shootings occurring well within a distance of 60 yd (55 m), the .458 was not designed as a long range hunting cartridge. The .458 Winchester Magnum, released to the sporting public in 1956, offered the ballistic formula of the .450 NE in a bolt-action, affordable rifle. Winchester built the .458 Winchester Magnum using a modified .375 H&H case that was necked up to use .458″ bullets and shortened from 2.85″ down to 2.5″ long. The .458 Winchester Magnum was made to fit a standard length (i.e. In my mind, true Dangerous Game cartridges need to be of large bullet diameter. For many decades the .458 has been the most popular rifle cartridge of professional hunters who pursue heavy dangerous game in Africa because of its performance, price, and availability. 107 SW Columbia St | Bend, Oregon, USA 97702 | Toll Free: 1-800-285-3701 | catalog@nosler.com With modern powders the .458 Winchester Magnum is capable of launching a 300 gr (19 g) bullet at 2,600 ft/s (790 m/s), a 350 gr (23 g) bullet at 2,500 ft/s (760 m/s), a 400 gr (26 g) bullet at 2,400 ft/s (730 m/s), and the 450 gr (29 g) bullet at 2,300 ft/s (700 m/s). It is claimed that the new 458 Lott is an improvement over the 458 Winchester Magnum since its higher velocity supposedly results in more lethal impact-effect and deeper penetration. The use of a bolt-action rifle offered hunters a cheaper alternative to the big-bore double rifle, and ammunition could be manufactured using available tooling. Winchester had been using compressed loads of ball powder as a propellant for .458 Winchester Magnum. It was introduced commercially in 1956 by Winchester and first chambered in the Winchester Model 70 African rifle. The .458 Winchester Magnum loaded with the 500 gr (32 g) solid bullet provides adequate penetration for dangerous game up to and including elephant.[4]. The original specifications for the cartridge called for a 510 gr (33 g) bullet to be fired at a velocity of 2,150 ft/s (660 m/s) through a 26 in (660 mm) barrel. This 60lb pig was shot from 60 yards with a 300gn Hornady hollow point projectile over 57.5gns of ADI2207. Red Oak, White, or Chestnut for Deer Herd? The .458 Winchester magnum can accomplish this with ease, and delivered this performance in the affordable Model 70 magazine rifle. La .458 WM, ou 458 Winchester Magnum est une munition de grande chasse d'origine américaine introduite en 1956 par Winchester. Winchester asekonserni esitteli vuonna 1956 uuden kaliiperin .458 Winchester Magnum. *Casing image above is an artist rendering and not a real photo of .458 Winchester Magnum Ballistics cartridge. Overall, the Barnes bullets serve a very useful purpose in a .458 Win-chester Magnum, especially where While we have went to great lengths to make sure that it's as accurate as possible this rendering should not be used to generate specs for casings. .458 Winchester Magnum-Hornady DGS HM, .458 Winchester Magnum-Winchester Nosler Solid, .458 Winchester Magnum-A2 Dead Tough SP, Monolithic Solid, Lion Load SP, .458 Winchester Magnum-Winchester Nosler Partition, .458 Winchester Magnum-Norma Barnes Solid, .458 Winchester Magnum-Federal Barnes Triple-Shock X-Bullet, .458 Winchester Magnum-Hornady DGX, .458 Winchester Magnum-Federal Trophy Bonded Sledgehammer Solid, .458 Winchester Magnum-Federal Trophy Bonded Bear Claw, .458 Winchester Magnum-Federal Trophy Bonded Bear Claw, .458 Winchester Magnum-Norma Swift A-Frame. The .458 Winchester was America's first factory-loaded elephant cartridge. Winchester's 510 gr (33 g) X4581 ammunition, which has a muzzle velocity of 2,040 ft/s (620 m/s), is rated for CXP3 (large, non-dangerous) game species. [11], Due to the negative publicity, Winchester increased the performance of the .458 Winchester Magnum, which allowed the 500 gr (32 g) bullet to achieve 2,240 ft/s (680 m/s). World War II changed the world irrevocably. A few guides in Alaska and Canada carry rifles chambered in this cartridge to provide a defense against these largest bear species for themselves and their clients. Due to the cartridge's relatively short case and powder column, longer bullets and those with a lower weight to length ratio—such as mono-metal bullets like the A-Square Monolithic Solid and the Barnes Banded Solids—may take up valuable powder space and lead to lower velocities and reduced performance. Prior to its introduction in 1956. Bullets that tend to have a high weight to length ratios such as now discontinued 500 gr (32 g) Speer African Grand Slam solid tend to work better in the .458 Winchester Magnum. When fired from these shorter barrels, chronograph velocities fell to 2,050–1,850 ft/s (620–560 m/s), in line with expectations.

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