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A magnum cartridge is a firearm cartridge with a larger case size than, or derived from, a similar cartridge of the same projectile caliber and case shoulder shape. [ clarification needed ] The term derives from the .357 Magnum , the original revolver cartridge with this designation.
The size of the lead shot that is produced is determined by the diameter of the orifice used to drip the lead, ranging from approximately 0.018 inches (0.46 mm) for #9 lead shot to about 0.025 inches (0.64 mm) for #6 or #7.0 shot, while also depending on the specific lead alloy that is used.
A taller brick shot tower painted with a large "P" became a local landmark. [3] Remington Arms purchased the Peters Cartridge Company in 1934. [5] Facilities were expanded during World War II to include the federally owned Kings Mills Ordnance Plant manufacturing military ammunition on an adjacent hill south of the Peters factory complex.
Lead shot is still the best ballistic performer, but environmental restrictions on the use of lead, especially with waterfowl, require steel, bismuth, or tungsten composites. Steel, being significantly less dense than lead, requires larger shot sizes, but is a good choice when lead is not legal and cost is a consideration.
Components of a modern bottleneck rifle cartridge. Top-to-bottom: Copper-jacketed bullet, smokeless powder granules, rimless brass case, Boxer primer.. Handloading, or reloading, is the practice of making firearm cartridges by manually assembling the individual components (metallic/polymer case, primer, propellant and projectile), rather than purchasing mass-assembled, factory-loaded ...
The .460 cartridge achieves high velocities by combining light-for-caliber bullets, a large case capacity, and the high chamber pressures (65,000 psi maximum) typical of magnum rifle cartridges. At the same time, the recoil when shooting .45 Colt ammunition out of the Smith & Wesson Model 460 is comparable to recoil from a 9mm or .380 load, due ...
Although the .378 Weatherby Magnum case was inspired by the .416 Rigby case, it is considered a unique case which has gone on to serve as the parent cartridge of several high performance cartridges. The .460 Weatherby Magnum requires a case with the large propellant capacity necessary to propel a 500 gr (32 g) bullet at 2,700 ft/s (820 m/s).
The long case is very large and provides performance that exceeds existing commercial magnums, such as the .300 Winchester Magnum and .300 Weatherby Magnum. [2] The short design is the same idea as used in the Winchester Short Magnum cartridges. The shorter cartridges are known as Remington Short Action Ultra Magnum, RSAUM, RSUM, or SAUM.