Winchester's remedy was to lessen the compression of the powder column. Lott is an improvement over the 458 Winchester Magnum since its higher velocity new 458 Lott also achieves greater kinetic energy as a result of its higher This set-up was then fire-formed in rifle with a .458 Lott chamber. Larger volume cases such as the .460 Weatherby Magnum do not do well with powder charges below the recommended minimums. Several other manufacturers also offer rifles chambered in the cartridge as a regular or custom offering. The bullet chosen must be able to break through bone and penetrate to the vitals. Again as with elephants, premium bullets of a sturdy construction should be chosen. that the faster one drives a solid bullet, the deeper the penetration. It is claimed that the new 458 supposedly results in more lethal impact-effect and deeper penetration. This, together with the ability to load the cartridge to lower power levels, easily adds to the versatility of the .458 Lott. bullet and compares the penetration that results from impact speeds varying When the impact speeds significantly surpass This performance increase provides better penetration and stopping power than the .458 Winchester Magnum against dangerous game. The .460 Weatherby Magnum was designed as an African dangerous game rifle cartridge for the hunting of … which was a 405 gr (26.2 g) bullet at 1,330 ft/s (410 m/s). A-Square, Česká Zbrojovka/Brno, Hornady, and Ruger have been instrumental in the cartridge's rise in popularity. This bullet was seated on a .375 H&H Magnum case containing 30.0 gr (1.94 g) of Hercules 2400 powder with some polyester material used as a wadding to hold the powder charge against the primer. The .458 Lott was designed to be an African dangerous game rifle cartridge particularly for use against heavy, thick-skinned dangerous game such as elephant, Cape buffalo and rhinoceros. And when one tests the same bullet at the blistering speeds characteristic of the mighty 460 Weatherby Magnum, one finds that the penetration achieved is the most shallow produced by the various 458s. However, the Lott remained fairly obscure at least in the United States until Ruger offered the cartridge in their Ruger M77RSM Mk II rifles to the American public in 2002. When driven to about 1500-fps (as the 45-70 will [10] This was 200 ft/s (61 m/s) below what Winchester's original design specifications intended. .458 Lott velocities range from 3,000 ft/s (910 m/s) with the 300 gr (19 g) bullet and 2,150 ft/s (660 m/s) with the 600 gr (39 g) bullet. It is based on the full length .375 H&H Magnum case blown out and shortened to 2.800 inches (71.1 mm).[1]. .458 Winchester Magnum vs .458 Lott: Cartridge Sizes. In an emergency, the .458 Winchester Magnum can be fired in the chamber of a .458 Lott. Weatherby also entered the .458 game in 1957, with their .460 Weatherby Magnum. .458 Lott, its parent case the .375 H&H Magnum and the .458 Winchester Magnum for comparison. [8], The manufacture of spitzer style bullets in the .45 caliber has generally been a recent trend. [5] This experience convinced him that a cartridge more powerful than the .458 Winchester Magnum was required when hunting dangerous game in Africa. Blaser manufactures the Blaser R8 Safari PH and Safari Luxus rifle models in the .458 Lott. These requirement reduce the useful choices to solid bullets. It drives a 500 … Assuming … What the .458 Lott lacks in velocity and energy compared to the .450 Rigby or the .460 Weatherby Magnum, it more than makes up for by virtue of its versatility. First time going to a shooting range and never shoot a gun before and want to try to shoot a 460 Weatherby Magnum. While the Lott achieves this velocity, the powders used may not be available in most locales. Maximum pressure limits enforced by CIP is given at 4,000 bar (58,000 psi). The Lott cartridge was a distinct step up from the .458 Winchester Magnum and the .450 Nitro Express cartridges. Once this was accomplished cases were trimmed to 2.790 in (70.9 mm) tumbled clean. The cartridge is based on the .378 Weatherby Magnum necked up to accept the .458-inch (11.6 mm) bullet. heavy and the penetration requirements are great. The most powerful chambering the the Ruger #1 came in was the .458 Lott and .458 Winchester Magnum. bore shooters seems to be the 458 Lott, since it achieves a good 200-300 fps Both bores are the same .458 as the .460 Weatherby. The specifications published by SAAMI reflect this fact. A-Square, Double Tap, Federal, Hornady, Kynoch, Norma are among several manufacturers of .458 Lott ammunition. Most rugers have a 23" bl, while 460 weatherbys have a 26" bl. [25] Lighter, soft point bullets which rapidly expand or fragment at higher velocities are usually recommended for the big cats. However, anyone who takes the time to run comparative penetration The better ballistic coefficients translate to better longer range performance. [1] While the case capacity is slightly more than that of the Lott cartridge, the maximum overall cartridge length is the same. Non-Mauser action rifles for the .458 Lott are produced by A-Square, Blaser and Weatherby. Livraison rapide au meilleurs conditions. Like A-Square .458 Lott cartridges, Barnes .458 Lott brass bears a ghost shoulder for this very same reason.[7]. Fortunately for all of us who shoot the 45-70, it can be considered to be the The creation of the cases began with the casting of a .458 in (11.6 mm) bullet with a .375 in (9.5 mm) shank and which weighed around 260 gr. The .458 Winchester Magnum was originally supposed to duplicate the performance of the .450 Nitro Express which could fire a 500 gr (32 g) bullet at 2,150-foot-per-second (660 m/s). Jack Lott designed the .458 Lott after an unsatisfactory experience with the .458 Winchester and an angry Cape buffalo. Manufacturers such as A-Square have chosen to load slightly lighter bullets 465-grain (30.1 g) instead of the 500-grain (32 g) bullets. Although higher velocity Larger volume cases such as the .460 Weatherby Magnum do not do well with powder charges below the recommended minimums. The .458 Lott was designed in response to perceived inadequacies and problems encountered with the .458 Winchester Magnum. The .458 Lott has ample power to spare on these species. This is a particular concern outside North America where only particular lines of cartridge powders are available, sometimes of local manufacture. These conversions required no more than a re-boring or a re-barreling and perhaps a magazine extension if required. Of course, the After the encounter he began a search for a big-bore cartridge which would suit his needs perfectly. The .458 Lott does well with hardcast lead bullets. There is a reason that many 460 Weatherby Magnums come on the market after having had only one or two boxes of cartridges put through them. 460 Weatherby Magnum. The specifications for the .458 Lott call for a cartridge which gradually tapers. penetration testing. Necking up the .378 Weatherby to hold .458-inch bullets, Weatherby surpassed the energy figures of the largest cartridges, to create the most powerful cartridge of all. [citation needed] The .458 Lott achieved both these objectives by its lengthened cartridge. It is commonly believed However, A-Square and few other ammunition manufacturers provide a ghost shoulder for the cartridge which was not included in the specification as standardized by SAAMI. An advantage that the .458 Lott offers over voluminous cartridge such as the .450 Rigby, .460 Weatherby or the .505 Gibbs is that it can be easily adopted in rifles actions which are regularly manufactured with little or no modification of the bolt face. depth. Both cartridges also use the same .458″ diameter bullet and both headspace off the belt. The .460 Weatherby Magnum is a belted, bottlenecked rifle cartridge, developed by Roy Weatherby in 1957. It was a more economical alternative to the English double rifles that were considered the standard rifle type for dangerous game hunting in Africa. pursuit of the heaviest game. In comparison, many ammunition manufacturers load the .458 Winchester Magnum to velocities between 2,050–1,950 ft/s (620–590 m/s). CZ currently produces the CZ 550 American Magnum rifle in that chambering. Blah, blah, blah. of the 458 Winchester Magnum) one finds that the penetration is reduced to speeds above about 1250-1300 fps. The .458 Lott cartridge's maximum overall length is only .3 in (7.6 mm) longer than the standard length magnum cartridge like the 7mm Remington Magnum and the .300 Winchester Magnum. [19] The range of available bullets provides the flexibility to customize loads for specific game species. The .458 Winchester Magnum was designed in 1956 and was an immediate commercial success. nearly 20% short of that produced by the 458 Winchester. In 1989 A-Square became the first company to offer the .458 Lott as a commercial cartridge. [8] A-Square also championed the successful SAAMI standardization of the .458 Lott cartridge which took place in 1995. The resulting cartridge is named the .458 Lott in his honor. What the .458 Lott lacks in velocity and energy compared to the .450 Rigby or the .460 Weatherby Magnum, it more than makes up for by virtue of its versatility. Since Lott was an influential big-game hunter and writer the cartridge gained some attention with professional hunters in Africa. Bulk Ammunition on sale, including 460 Weatherby Mag Rifle Rounds. The 458 Lott has all the power you could reasonably use and will chamber and fire 458 Winchester, which can also be downloaded to regular 45-70 balistics for hunting medium game and practice, but I know magnum mania is an incurable disease in some. With lighter bullets of 300-grain (19 g), it is able to achieve a velocity of about 2,850 ft/s (870 m/s). to achieve the velocity with heavy bullets that leads to decreases in The result was a .458 Winchester Magnum that was now attaining only about 1,950-foot-per-second (590 m/s). While the .458 Lott is capable of taking lion and leopard, it is considered overly powerful for the big cats. The current rage among big The .458 Winchester Magnum is ubiquitous in Africa. The only people that I believe would require … don't know how hard the recoil going to be. [1] However, it soon became apparent that the .458 Winchester Magnum was not performing as anticipated. Spitzer bullets with better ballistics such as the Barnes X or TSX bullet provides better down range performance over the more conventional .45 caliber (11.6 mm) bullets. Case capacity and performance is slightly greater than that of the .458 Lott resulting in less 50-foot-per-second (15 m/s) in velocity at equal pressures. For instance, a CZ 550 Safari Magnum chambered in .458 Lott is a capable rifle at both short range and out to about 200 yards, is very reliable, holds six cartridges (five in the magazine and one in the chamber), weighs less than 10 pounds with a scope, is an excellent dangerous game-stopper, and can be purchased for less than $2,000. Soft points similar to the A-Square Dead Tough,[8] Barnes TSX,[22] Hornady DGX[23] and the Woodleigh Weldcore Soft Nose[24] are examples of these bullets. However, the .458 Lott has a longer case length (2.8″ vs 2.5″) and a longer overall length (3.6″ vs 3.34″). not take a back seat to any other 458 caliber, especially when the game is magnums, the increases in velocity result in significantly reduced penetration. The objective behind the design of the .458 Lott was to provide a greater case capacity over the .458 Winchester Magnum so as to provide better performance and less compression of the powder charge. CZ's Brno ZKK602 was one of the first rifles manufactured which was chambered for the .458 Lott. Too much recoil. Find 460 Weatherby Mag Ammo for sale, in-stock and ready to ship at Ammo Freedom. Handloaders can take advantage of the wide range of bullet of useful weights are available in .45 caliber for the .458 Lott cartridge. Description.458 Lott 500 Grain Nosler Partition- The .458 Lott is a .458 caliber belted hunting cartridge designed as a replacement for the less powerful .458 Winchester Magnum.It is based on the full length .375 H&H Magnum blown out and shortened to 2.800 inches. There are few things in the world of ballistics less well If you haven't shot a rifle with similar recoil before, I'm betting the 458 Lott will give you as much recoil as you will want. After World War Two, Americans flocked to Africa to hunt, but the only suitable dangerous game rifles were either special, magnum length bolt-actions chambered for cartridges such as the .416 Rigby or expensive double rifles which fired hard to come by Nitro Express rounds. [10][18] The .458 Lott chamber will not accept an improved cartridges like the .450 Ackley Magnum and the .450 Barnes Supreme. [28] The Heym Express, and Kimber Caprivi are also manufactured in the .458 Lott cartridge. penetration and impact-effect required to reliably anchor heavy game, one finds In 1956, Winchester saw an opportunity. At present, the 465-grain (30.1 g) Triad (Monolithic Solid, Dead Tough and the Lion Load) for the .458 Lott cartridge is available from the company. .458 Winchester Magnum. [36], The .450 Ackley Magnum was designed in 1960 by Parker Otto Ackley. same bullet at the blistering speeds characteristic of the mighty 460 Weatherby lbs is quite an increase in footpounds over the lott at 2300ft/sec. La .458 WM, ou 458 Winchester Magnum est une munition de grande chasse d'origine américaine introduite en 1956 par Winchester. This, These energy and velocity values provide the .458 Lott cartridge a gain of between 50–100 yd (46–91 m) over the .458 Winchester Magnum in distance. We see A-Squares Hannibal and Caesar rifles built on Enfield P14 actions. The cartridge is designed for the purpose of hunting African dangerous game. The fire-formed cases were then run through a .458 Winchester Magnum full length re-sizing die with a set off of .125 in (3.2 mm). Cape buffalo and rhinoceros, though heavily boned and tough are mostly hunted with soft point bullets although FMJ and solid bullets are chosen by some hunters. There has been some criticism of the cartridge for its inability to reach the so-called magical 2,300–2,400 ft/s (700–730 m/s) velocity (with some powders) some hunters, especially those who hunt large animals, believe is required for maximum penetration on dangerous game, the end result is that no scientific proof has been made on this subject, and it is likely accepted because of the older bullets that will not retain their weight at high velocity. The older 460 factory ammo at 500gr./2700 ft. per sec./8092ft. The first cases for the new rifle cartridge were fireformed from .375 H&H Magnum brass into a chamber by using .458 caliber (11.6 mm) bullets which had their bases re-sized .375-inch (9.5 mm) so as to fit in the mouth of the .375 H&H Magnum. Arthur Alphin chose not to include the ghost shoulder to remain true to Jack Lott's wishes and to honor his memory. [6] A similar method was used by David Miller and Curt Crum to create cases for their early custom .458 Lott rifles. Loaded with lighter bullets with better ballistic coefficients at higher velocities the .458 Lott can be used as a medium-range plains game rifle cartridge.[26]. The .450 Watts Magnum is similar to the .458 Lott with the exception of case length which is 2.850-inch (72.4 mm). Weatherby guarantees a 1.5 MOA (44mm/100m) accuracy for this cartridge in a Weatherby rifle. [36] Firing the case in an improved chambers similar to that of the Ackley or the Barnes cartridges will result in a slight reduction in performance. Distance between lands is .450-inch (11.4 mm) and between grooves is .458-inch (11.6 mm). ... .458 Lott.460 Weatherby magnum.470 Capstick.470 Nitro express La Trophy bonded Bear Claw retrouvée dans la girafe. assertion that higher speed projectiles are more capable of inflicting the deep The cartridge is capable of firing a 500-grain (32 g) bullet at 2,300-foot-per-second (700 m/s) from a 23-inch (580 mm) barrel such as the Ruger M77. Due to its development and purpose, the performance of the .458 Lott is often compared with that of the .458 Winchester Magnum. When the same bullet is driven to about 2100-fps (as is characteristic Jack Lott's original drawings of the cartridge were done on a napkin at a diner. Weatherby, Inc. is an American gun manufacturer founded in 1945 by Roy Weatherby.The company is best known for its high-powered magnum cartridges, such as the .257 Weatherby Magnum, .270 Weatherby Magnum, .300 Weatherby Magnum, .340 Weatherby Magnum and the .460 Weatherby Magnum.The company's headquarters is based in Sheridan, Wyoming. the various 458s. A-Square Lion Load bullet or soft points manufactured for the .45-70 Government fills this niche for the .458 Lott. projectiles always generate more kinetic energy they clearly do not produce particular inherent superiority, but due to the 45-70's "inability" The Mauser style action has long been favored by African hunters. produce the least penetration. [36] There are only minute variations between these cartridges. The .460 Weatherby Magnum has few peers for stopping dangerous African game. You are looking at $350 to have it rebarreled and a barrel for $350 more. Too loud. However strict SAAMI compliant chambers will not accept the .450 Watts Magnum and any attempt to discharge it in such a chamber will invariably result in higher pressures and catastrophic failures may result. Hence, the reason for companies such as A-Square loading the .458 Winchester Magnum and even the .458 Lott with the 465 gr (30.1 g) Monolithic Solid instead of the 500 gr (32 g), which is reserved for cartridges with large powder capacities such as the .450 Assegai and the .460 Weatherby Magnum. Balistique. This raises some interesting issues regarding the relationship between The .458 Lott was standardized by SAAMI in 1995 based on specification provided by Arthur Alphin and A-Square LLC. My thoughts are that the vast majority of the writers have never seen, let alone fired, a 460. [30] Weatherby offers the .458 Lott cartridge in Mark V Deluxe and also through their custom shop. They currently offer the A-Square Hannibal and Caesar rifles chambered for this cartridge. Elephant require a bullet of a tough construction which will not deform easily. Recommended rifling twist rate for this cartridge is 1-14 in. It would mean a custom barrel installed by a gunsmith. Since there are several rifle actions manufactured that are capable of handling the full length magnum cartridges such as the .375 H&H Magnum, it is not surprising that the .458 Lott has been chambered in several rifles. The new design uses a 3-inch (76 mm) cartridge made from basic .458 brass based on the .375 H&H Magnum case head. is nothing that can be observed which supports the assertion that the faster This capability easily exceeded the performance that was expected of the .450 Nitro Express and the .458 Winchester Magnum. Most ammunition manufactured for the cartridge is loaded with a 500 gr (32 g) bullet at 2,300 ft/s (700 m/s) which has become the industry standard for the cartridge. [3], Jack Lott, a big-game hunter and writer from the US, had an adverse encounter with a Cape buffalo in Mozambique in 1959 in which he sustained injuries. SAAMI recommends a 6 groove rifling contour with each groove being .150-inch (3.8 mm) wide. kinetic energy generation and impact-effect. May 8, 2015 - .458 Winchester Magnum, .458 Lott and .460 Weatherby Magnum. 7x64 Tig 11.5g Vs 460 Weatherby magnum GPA Blindée 480 gr. [2], Prior to the arrival of the .458 Lott there were a few other .45 caliber (11.6 mm) cartridges with similar performance levels based on the full length .375 H&H Magnum case such as the .450 Ackley Magnum, .450 Barnes Supreme, .450 Mashburn Magnum and the .450 Watts Magnum. Despite all the impressive "science" deployed to reinforce the tests will find that those of us who pack a good 45-70 with heavy bullets need Chamber will accept the Lott and Watts cartridges. DGS Super Performance", "Solids vs Mono-metal Bullets - Which is Best? Since they’re both descended from the .375 H&H Magnum the two cartridges have a similar straight tapered case. The original .378 Weatherby Magnum parent case was inspired by the .416 Rigby. Furthermore, as the Lott cartridge is in essence a lengthened .458 Winchester Magnum, converting a .458 Winchester Magnum to .458 Lott involves in many cases a simple re-boring of the chamber and if required, a lengthening of the magazine. faster they stop. This is inevitable as the latter was the cartridge which the .458 Lott was designed to replace. understood than the issues relating to comparative penetration. The .450 Watts can be fired in the chambers of the .450 Ackley Magnum, .450 Barnes Supreme and the .450 Mashburn Magnum chambers. newspapers. When one tests the same bullet at 2300-2400 fps (as is characteristic of the 458 Lott) one finds that the penetration comes up nearly 20% short of that produced by the 458 Winchester. There's a pile of people who have written comments and opinions about the 460 Weatherby Magnum, and most of them head off in the direction of whiny complaints. [4] He had been hunting with the then new .458 Winchester Magnum. do) one finds that such solids produce nearly 6-feet of penetration in wet The Lott has no such issues and takes well to lower powder charges. this all the time in the various attempts, via new calibers, to achieve higher African guides don't like them. Several factors contributing to its less than stellar performance in Africa: clumping of its compressed powder charge[2] and use in 20–22 in (510–560 mm) barrel rifles. It is considered an ideal cartridge for hunting African dangerous game and is capable of taking game from elephant to the duiker. The vitals it rebarreled and a barrel for $ 350 460 weatherby magnum vs 458 lott have it reamed the... Several other manufacturers also offer intermediate power ammunition for the.458 Lott 2100! Ammo Freedom than conventional bullets based on the.378 Weatherby Magnum is similar to the creation a. The more common round nose or flat nosed bullets available in most locales specification provided by Arthur Alphin chose to., if you have n't shot your 458 Lott, I would suggest you do.... When large capacity cartridges are loaded with small powder charges below the recommended minimums ) ce qui fait une de! 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