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An IMR smokeless powder for reloading The Hagley Museum in Wilmington, Delaware. IMR Legendary Powders is a line of smokeless powders which are popularly used in sporting and military/police firearm cartridges. The initials 'IMR' stand for Improved Military Rifle powder. IMR powders makes a line of various types of smokeless powder suitable for ...
The .300 Winchester Magnum was introduced in 1963 by Winchester for use in the Model 70 rifle. Winchester developed the .300 Win Mag by taking the .338 Winchester Magnum, which was introduced in 1958, moving the shoulder forward by 4.0 millimetres (0.156 in) and lengthening it by 3.0 millimetres (0.120 in). This resulted in a cartridge with a ...
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 first black powder cartridge adopted in large numbers by the Japanese Army, it was used in the Murata rifle, a hybrid of French Gras and German Mausers 1871 and 1871/84 rifles. 12.7×108mm: 1930 USSR R 12.7×108mm 2700 11980 (13737) 255 0.511 108mm Used in Heavy Machine Guns, AT-rifles [36] and anti-materiel rifles. 14.5×114mm: 1941 [37 ...
.500 Black Powder Express.500 Jeffery.500 Nitro Express.500 S&W.500 Bushwhacker.500/450 Magnum Black Powder Express.502 Thunder Sabre.505/.404 Stewart.510 Beck.577/450 Martini–Henry.577/500 Nitro Express.577/500 No 2 Black Powder Express.505 Gibbs.510 DTC Europ.510 Whisper.55 Boys.56-56 Spencer.575 Miller & Greiss; 20/577 Alexander Henry
Derived from the .50-60-400 Joslyn, the cartridge was developed after the unsatisfactory results of the .58 rimfire cartridge for the Springfield Model 1865 rifle. The .50-70 Government cartridge used the Benét internal center-fire primer design and became the official cartridge of the U.S. military in 1866 until being replaced by the .45-70 Government in 1873.
A black powder substitute is a replacement for black powder (gunpowder), primarily used in muzzleloading firearms. Substitutes may have slightly different properties from gunpowder such as: reduced sensitivity as an explosive, increased efficiency as a propellant powder, different density, and/or reduced ignition efficiency.
Improved military rifle propellants included a longitudinal perforation converting each grain to a tube with a progressive burning interior surface allowing a more consistent gas generation rate through the reaction period. Early propellants were identified by a two-digit number. As the number of experimental variations increased, each improved ...