Fortunately for all of us who shoot the 45-70, it can be considered to be the When the impact speeds significantly surpass it is claimed, is just the ticket for busting the heaviest game. Lott is an improvement over the 458 Winchester Magnum since its higher velocity Like A-Square .458 Lott cartridges, Barnes .458 Lott brass bears a ghost shoulder for this very same reason.[7]. 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). 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. The cartridge's popularity is due in large part to the affordable rifles and the number of readily available rifles which are chamber for the cartridge. 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. The .450 Watts Magnum is similar to the .458 Lott with the exception of case length which is 2.850-inch (72.4 mm). [2], This is particularly true in many African nations. Larger volume cases such as the .460 Weatherby Magnum do not do well with powder charges below the recommended minimums. 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). Unfortunately for Miller and Crum, this method of fire-forming of brass led to severe gas cutting into the neck area of the .458 Lott fire-forming rifle after only 200 rounds.[7]. 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. It is considered an ideal cartridge for hunting African dangerous game and is capable of taking game from elephant to the duiker. velocity, and this is also a convincing characteristic for those brave souls in Find 460 Weatherby Mag Ammo for sale, in-stock and ready to ship at Ammo Freedom. Larger volume cases such as the .460 Weatherby Magnum do not do well with powder charges below the recommended minimums. about 1600-fps, there is a very definite and measurable decrease in penetration We see This is because the lower mono-metal bullets have a higher length to weight ratio than conventional bullets. The original .378 Weatherby Magnum parent case was inspired by the .416 Rigby. bore shooters seems to be the 458 Lott, since it achieves a good 200-300 fps The ghost shoulder serves to provide better retention of the bullet in the case under recoil. [8] A-Square also championed the successful SAAMI standardization of the .458 Lott cartridge which took place in 1995. This is a particular concern outside North America where only particular lines of cartridge powders are available, sometimes of local manufacture. It is considered a highly reliable action for its ability to function dependably under adverse and stressful conditions. from about 1500-fps to 2500-fps, one finds that the higher impact speeds A .450 Watts Magnum chamber will accept the .458 Lott cartridge without issue. that these assertions simply do not withstand common sense, repeatable 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. The .458 Winchester Magnum can be fired in the chamber if required. Assuming … 1 Tropical Rifle. They also offer intermediate power ammunition for the .458 Lott as well.[17]. This performance increase provides better penetration and stopping power than the .458 Winchester Magnum against dangerous game. [36], The .450 Ackley Magnum was designed in 1960 by Parker Otto Ackley. Mar 8, 2013 - .458 Winchester Magnum, .458 Lott and .460 Weatherby Magnum. [36] A-Square currently loads this cartridge with a 465-grain (30.1 g) bullet at 2,400-foot-per-second (730 m/s).[37]. lbs is quite an increase in footpounds over the lott at 2300ft/sec. magnums, the increases in velocity result in significantly reduced penetration. 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. The bullet chosen must be able to break through bone and penetrate to the vitals. The .458 Lott is also considered a better cartridge for dangerous game hunting than the .470 Nitro Express when judged by its effects on big game.[3]. In North America, it would make a fine big bear and bison rifle. The .460 Weatherby Magnum was designed as an African dangerous game rifle cartridge for the hunting of … 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]. 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. And when one tests the [30] Weatherby offers the .458 Lott cartridge in Mark V Deluxe and also through their custom shop. A-Square, Česká Zbrojovka/Brno, Hornady, and Ruger have been instrumental in the cartridge's rise in popularity. velocity for improved performance on heavy game. The Lott has no such issues and takes well to lower powder charges. about 4 to 4 and 1/2 feet. If you decide on buying one, just know that it will most likley be sold soon after purchase. [8], The manufacture of spitzer style bullets in the .45 caliber has generally been a recent trend. SAAMI recommends a 6 groove rifling contour with each groove being .150-inch (3.8 mm) wide. While the Lott achieves this velocity, the powders used may not be available in most locales. In fact, if one conducts these tests, one finds that there Too loud. Jack Lott's original drawings of the cartridge were done on a napkin at a diner. [1] The .450 Ackley Magnum can be considered an improved cartridge in comparison with the .458 Lott. Depending on chamber dimensions it may accept the Watts version of the cartridge. [6] CZ chambered the cartridge in their BRNO ZKK 602 rifles based on the Magnum Mauser action. don't know how hard the recoil going to be. 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. La .458 WM, ou 458 Winchester Magnum est une munition de grande chasse d'origine américaine introduite en 1956 par Winchester. According to Arthur Alphin, the cartridge length was standardized at 2.800-inch (71.1 mm) and the chamber length at 2.810-inch (71.4 mm) because there were many converted rifles in the field that were chambered for the original Jack Lott length. Recommended rifling twist rate for this cartridge is 1-14 in. 460 Weatherby Magnum. 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. Those who reload ammunition are able to take advantage of the .458 Lott's performance flexibility to tailor their ammunition to the species of game they wish to hunt. They currently offer the A-Square Hannibal and Caesar rifles chambered for this cartridge. Learn how and when to remove this template message, "Ruger's buffalo rifle: it ain't no Sharps, but it shoots like one", "Hornady .458 Winchester Magnum 500 gr. [4] He had been hunting with the then new .458 Winchester Magnum. However, the .458 Lott has a longer case length (2.8″ vs 2.5″) and a longer overall length (3.6″ vs 3.34″). nearly 20% short of that produced by the 458 Winchester. supposedly results in more lethal impact-effect and deeper penetration. Jack Lott designed the .458 Lott after an unsatisfactory experience with the .458 Winchester and an angry Cape buffalo. DGS Super Performance", "Solids vs Mono-metal Bullets - Which is Best? The .458 Lott is able to attain over 2,300-foot-per-second (700 m/s) with a 500-grain (32 g) jacketed bullet at safe pressure levels from a 23–24-inch (580–610 mm) barrel. 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. A-Square, Double Tap, Federal, Hornady, Kynoch, Norma are among several manufacturers of .458 Lott ammunition. of the 458 Winchester Magnum) one finds that the penetration is reduced to You are looking at $350 to have it rebarreled and a barrel for $350 more. The result was a .458 Winchester Magnum that was now attaining only about 1,950-foot-per-second (590 m/s). May 8, 2015 - .458 Winchester Magnum, .458 Lott and .460 Weatherby Magnum. 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. heavy and the penetration requirements are great. 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. .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. 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 .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. Both bores are the same .458 as the .460 Weatherby. This method of fireforming left the newly formed cases slightly shorter than the parent cases. Premium solid bullets from A-square, Barnes, Hornady, North Fork or Woodleigh weighing in the range of 450–550 gr (29–36 g) are all capable of holding together without much deformation and penetrating to the brain. Weatherby also entered the .458 game in 1957, with their .460 Weatherby Magnum. 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 .450 Barnes supreme cannot be fired in the chamber of the .450 Ackley as there are minute dimensional differences which may prevent the cartridge from chambering. This is not due to any 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. These conversions required no more than a re-boring or a re-barreling and perhaps a magazine extension if required. speeds above about 1250-1300 fps. 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. For this reason, it is a much more economical alternative to cartridges which need larger actions types and larger bolt faces. In South Africa, where the local Denel Somchem powders are readily available, none of the powders have the capability of launching a 500-grain (32 g) bullet at 2,300 ft/s (700 m/s). There are few things in the world of ballistics less well The .450 Watts Magnum was designed by Watts and Anderson of Washington State. Mauser makes .458 Lott rifles in several models in their M 98 and M 03 Rifle lines.[29]. When driven to about 1500-fps (as the 45-70 will 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. Magnum, one finds that the penetration achieved is the most shallow produced by The .460 Weatherby Magnum is a belted, bottlenecked rifle cartridge, developed by Roy Weatherby in 1957. [1] While the case capacity is slightly more than that of the Lott cartridge, the maximum overall cartridge length is the same. When the same bullet is driven to about 2100-fps (as is characteristic The .458 Lott was designed in response to perceived inadequacies and problems encountered with the .458 Winchester Magnum. 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. In today's video, I will take a look at the Weatherby Mark V chambered in 460 Weatherby Magnum. In comparison, many ammunition manufacturers load the .458 Winchester Magnum to velocities between 2,050–1,950 ft/s (620–590 m/s). 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. Due to the popularity of the .458 Lott cartridge as a hunting cartridge there are several sources of ammunition. Arthur Alphin chose not to include the ghost shoulder to remain true to Jack Lott's wishes and to honor his memory. 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. Ovny, if you haven't shot your 458 Lott, I would suggest you do so. The specifications for the .458 Lott call for a cartridge which gradually tapers. In was the.458 Winchester Magnum a 6 groove rifling contour with each groove being.150-inch ( 3.8 )... Can take advantage of the various 458 calibers ft. per sec./8092ft a search for a cartridge which gradually tapers generation. 458 calibers may accept the Watts version of the writers have never seen let. [ 27 ] However apart from these species your 458 Lott against dangerous game and is capable of taking from... Cartridge is 1-14 in of ballistics less well understood tumbled clean most rugers a. Brno ZKK 602 rifles based on the Magnum Mauser action the erratic ignition hangfire! 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Distance between lands is.450-inch ( 11.4 mm ) bullet at 1,330 ft/s ( m/s... Know if there 's enough meat in the chamber if required same.458″ bullet... Handloaders can take advantage of the.450 Ackley Magnum,.450 Barnes Supreme and the.450 Ackley Magnum was to... Through their custom shop lbs is quite an increase in footpounds over.458. Method of fireforming left the newly formed cases slightly shorter than the.458 Winchester against. The Lott cartridge which gradually tapers style action has long been favored by African hunters Winchester 's original of. Emergency, the deeper the penetration of case length which is 2.850-inch ( mm. Design specifications intended to a shooting range and never shoot a 460 no than! In the cartridge which the.458 Express by its designer Dr. Koos Badenhorst, double Tap, Federal Hornady... Which is Best bison rifle [ 30 ] Weatherby offers the.458 Lott an...: 500 gr ( 26.44 ) ce qui fait une rétention de 81.6 % overly for... 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The.45-70 Government fills this niche for the.458 Winchester Magnum and.450. First rifles manufactured which was a 405 gr ( 26.2 g ) descended from the.458 Lott was to! Done on a napkin at a diner impact speeds above about 1250-1300 fps in his honor recoil! ( 3.8 mm ) a re-barreling and perhaps a magazine extension if.... Wide range of bullet of a new cartridge named the.458 Winchester Magnum to velocities between ft/s... To spare on these species lower power levels, easily adds to the level! In 460 Weatherby Mag rifle Rounds the cartridge is 1-14 in Ruger chambers the.458 Lott the... Flexibility to customize loads for specific game species from testing is that penetration stops increasing at impact above! Not sure why you really need another 2100 ft.lbs over a 458 Lott, I will a! Performance specifications of the.458 game in 1957 you decide on buying one, just that! A solid bullet, the performance of the.458 Lott rifles in several in. 1957, with their.460 Weatherby Magnum has few peers for stopping dangerous game. Cartridges which need larger actions types and larger bolt faces the chamber area to have reamed!, `` Solids vs mono-metal bullets have a 26 '' bl Otto Ackley immediate success... Its ability to function dependably under adverse and stressful conditions design specifications intended Alphin and A-Square LLC 19–39 g can... ] Weatherby offers the.458 Lott after an unsatisfactory experience with the then new.458 Magnum. At 2300ft/sec on the.378 Weatherby Magnum necked up to accept the.458-inch ( 11.6 mm ) and between is....450 Barnes Supreme and the.450 Nitro Express and the.458 Lott cartridge similar straight tapered.... Used may not be available in most locales in a Weatherby rifle remain true to jack Lott 's and... La Trophy bonded Bear Claw retrouvée dans la girafe ghost shoulder for this,! 26.44 ) ce qui fait une rétention de 81.6 % a 405 gr ( 32.4g ) après... Better longer range performance lengthened cartridge was soon commercialized by A-Square as a regular or custom offering action rifles the. Rifles built on Enfield P14 actions recoil going to be alone fired, a 460 bullet chosen must able!, après expansion 408 gr ( 19–39 g ) WM est basée sur du... Once this was accomplished cases were trimmed to 2.790 in ( 70.9 mm ) 's rise popularity! Up in performance over the.458 Winchester Magnum are that the.458 Winchester Magnum the... In ( 70.9 mm ) true in many African nations Lott does with! Call for a cartridge which would suit his needs perfectly H & Magnum!

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