Jack Lott And The History of .458 Lott Ammo - Shooting Sports Forum


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Old 07-13-2020, 21:16   #1
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Jack Lott And The History of .458 Lott Ammo


Wednesday - July 15th, is the Birthday of Jack Lott (big game hunter, writer, historian, and inventor of the . 458 Lott)

Here’s a little bit of history about .458 Lott ammo:

"Whether it’s wanting better accuracy or more power, inspiration for a new design in ammunition can come from many different sources and the result can be a significant advancement in cartridge design. For the .458 Lott, the inspiration was a near death encounter in Africa. Gun writer Jacques “Jack” Lott was hunting Cape buffalo with a .458 Winchester Magnum. He shot the buffalo, but could not stop it before it injured him. He returned from Africa on a quest to find or develop a cartridge more suitable for taking dangerous game.

Lott examined all the available hunting cartridges of the time and was disappointed to discover that no other ammunition on the market rose to the power levels he needed. With no suitable alternatives, Lott produced his own .458 cartridge in 1971. The muzzle velocity of the .458 Lott is not substantially higher than the .458 Winchester Magnum, but due to the heavy weight of the bullet, the increase of the energy is significant.

The .458 Winchester Magnum fires a 500 grain bullet out the muzzle travelling at 2,100 feet per second, while the .458 Lott fires the same 500 grain bullet at 2,300 feet per second. This is not a dramatic increase in velocity, yet it generates a significant increase in foot pounds of energy. The .458 Win Mag has a muzzle energy of 5,084 foot pounds, and the muzzle energy of the .458 Lott is nearly 800 foot pounds more at 5,873 foot pounds.

Today, the .458 Lott is mostly used for hunting dangerous game in Africa, but it would also work well to take large game in North America and Alaska – including moose, bison, large bears, and elk. Hornady and Federal, among other manufacturers, produce .458 Lott ammunition. Bullet weights are most commonly 500 grains, but those weighing between 350 and 550 grains are available in various FMJ configurations.

The .458 Lott is unlikely to become a popular cartridge for hunting game in North America, as the recoil is heavy, the price is high, and the power is excessive for game animals found here. However, for hunting Cape buffalo, elephants or any other large and dangerous game, the .458 Lott is a capable cartridge."

Source: History of 458 Lott Ammo on Ammo.com.
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Old 07-15-2020, 19:39   #2
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I thought he just lengthened the .458 Win. case because the powder was too compacted to burn properly to develop its maximum power consistently.
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