This is a particular concern outside North America where only particular lines of cartridge powders are available, sometimes of local manufacture. [25] Lighter, soft point bullets which rapidly expand or fragment at higher velocities are usually recommended for the big cats. bullet; but beyond about 300 yards, the trajectory will be such that you will have to be very precise on range estimation. Le canon de 660mm est un tube Heym forgé en acier au chrome/vanadium 34CrNiMo6, d'une résistance de 930 Newton/mm². Non-Mauser action rifles for the .458 Lott are produced by A-Square, Blaser and Weatherby. This case provided the capacity necessary using Somchem powders such as S321 and S335 to drive the 500-grain (32 g) to 2,300 ft/s (700 m/s). Deciding there was no issue with the .458 calibre, Lott established that he needed to design a new case to launch the bullet at greater velocities to increase down-range energy. This led to the creation of a new cartridge named the .458 Express by its designer Dr. Koos Badenhorst. While one might not be able to easily find ammunition for the big Weatherby or the Nitro Express cartridges, due to its popularity one would be able to find .458 Winchester Magnum cartridges. 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. [20] This is especially true if the classic brain shot is contemplated when hunting elephant where the bullet must penetrate through the honeycombed bone structure of the frontal area of the elephant's skull. A-Squares Hannibal and Caesar rifles built on Enfield P14 actions. That smaller bullet takes up less space and requires less powder to reach velocities in the 2,100-2,200 fps range. When handloading for the.458 Lott, I can easily obtain velocities in the 2200 to 2250 fps range—a bit below factory loads, yet completely effective in the field. [10] This was 200 ft/s (61 m/s) below what Winchester's original design specifications intended. In an emergency, the .458 Winchester Magnum can be fired in the chamber of a .458 Lott. [6] A similar method was used by David Miller and Curt Crum to create cases for their early custom .458 Lott rifles. The Lott has no such issues and takes well to lower powder charges. Most rifle manufacturers use 1:14 or 1:16 twist rates. Livraison rapide. It is considered an ideal cartridge for hunting African dangerous game and is capable of taking game from elephant to the duiker. 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. For this reason several rifles which were formerly chambered for cartridge like the .375 H&H Magnum and the .458 Winchester Magnum were easily converted to the .458 Lott early on when .458 Lott rifles were only available as a custom offering. Elephant require a bullet of a tough construction which will not deform easily. Brands like Barnes, Federal, Hornady, and Nosler. Handloaders can take advantage of the wide range of bullet of useful weights are available in .45 caliber for the .458 Lott cartridge. It is based on the full length .375 H&H Magnum blown out and shortened to 2.800 inches (71.1 mm). 66000 PERPIGNAN - France, Tél. [36] There are only minute variations between these cartridges. Avec l'AA Traacker, Winchester a inventé une munition de ball trap qui permet de suivre sa trajectoire des yeux. [citation needed] The .458 Lott achieved both these objectives by its lengthened cartridge. [28] The Kimber Caprivi, Rigby African Express and the Ruger M77 MkII Magnum are also manufactured in the .458 Lott cartridge. Due to the popularity of the .458 Lott cartridge as a hunting cartridge there are several sources of ammunition. [21] Bullets which are chosen must have sectional densities of over .300 while a sectional densities of .330 are preferred so as to provide the necessary penetration on these, the largest of the terrestrial mammals. Other Filters . Shop online for the best selection and prices of 458 LOTT rifles at Hinterland Outfitters. Le canon de 660mm est un tube Heym forgé en acier au chrome/vanadium 34CrNiMo6, d'une résistance de 930 Newton/mm². [26] The .458 Lott has ample power to spare on these species. They currently offer the A-Square Hannibal and Caesar rifles chambered for this cartridge. As this is the case, once the bullet is seated case powder capacity is almost identical. While the .458 Lott is capable of taking lion and leopard, it is considered overly powerful for the big cats. Weight Range. * Notez que sur demande nous pouvons monter la lunette de votre choix (avec tube de 30mm de diamètre) *, DORLEAC & DORLEAC In 1989 A-Square became the first company to offer the .458 Lott as a commercial cartridge. CZ's Brno ZKK602 was one of the first rifles manufactured which was chambered for the .458 Lott. [18] Acceptable bullet weights for the .458 Lott range from 300-to-600-grain (19 to 39 g). 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. 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. Once this was accomplished cases were trimmed to 2.790 in (70.9 mm) tumbled clean. Skinner, Stan. Unlike the .458 Winchester Magnum and to a degree the .458 Lott, the .450 Rigby reaches the coveted 2,400 ft/s (730 m/s) velocity mark with the 500 gr (32 g) with ease and well under the pressure limits imposed by the CIP upon the cartridge. 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.
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