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M designates common V threads (like for instance metric threads); Sq designates square threads; Tr designates trapezoidal threads; The shank length is not always the same at the thread length, which is the case if the insert has a threadless portion (sub-shank)
Rock Chuck Bullet Swage (later abbreviated RCBS) is a handloading equipment manufacturer operating in Oroville, California.The company originated during the sporting ammunition shortage caused by World War II, became a widely recognized manufacturer of handloading equipment, and has subsequently been purchased by Hodgdon Powder Company.
The .408 CheyTac projectile remains supersonic up to 2,300 yards (2,100 m) according to Extreme Firearms. CheyTac LLC claims that the 26.95 gram (419 gr) projectile has a supersonic range of 2,200+ yards (2,011+ m) at 'standard air conditions'. [13] The average ballistic coefficient of the 419 grain (27.15 g) is 0.945 over 3,825 yards (3,500 m).
List of rifle cartridges, by primer type, calibre and name. From left to right: ... Reloading information at Load Data; Cartridge diagrams at Steve's Pages;
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 ...
Hornady also produces a wide range handloading equipments such as presses, dies, powder measures, scales, case prepping tools, gauges, tumblers/ultrasonic cleaners and other accessories, as well as publishing a reloading data handbook that is currently in its 11th edition.
Changes in bullet mass, therefore, have a huge impact on the pressure curves of smokeless powder cartridges, unlike black-powder cartridges. The loading or reloading of smokeless cartridges thus requires high-precision equipment, and carefully measured tables of load data for given cartridges, powders, and bullet weights.
Caliber/calibre: In small arms, the internal diameter of a firearm's barrel or a cartridge's bullet, usually expressed in millimeters or hundredths of an inch; in measuring rifled barrels this may be measured across the lands (.303 British) or grooves (.308 Winchester) or; a specific cartridge for which a firearm is chambered, such as .45 ACP or .357 Magnum.