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  2. IMR Legendary Powders - Wikipedia

    en.wikipedia.org/wiki/IMR_Legendary_Powders

    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 ...

  3. Handloading - Wikipedia

    en.wikipedia.org/wiki/Handloading

    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 ...

  4. Primer (firearms) - Wikipedia

    en.wikipedia.org/wiki/Primer_(firearms)

    With the advent of chemical primers, it was not long before several systems were invented with many different ways of combining bullet, powder, and primer into a single package which could be loaded quickly from the breech of the firearm. This greatly streamlined the reloading procedure and paved the way for semi- and fully automatic firearms.

  5. Gas-operated reloading - Wikipedia

    en.wikipedia.org/wiki/Gas-operated_reloading

    The first mention of using a gas piston in a single-shot breech-loading rifle comes from 1856, by the German Edward Lindner who patented his invention in the United States and Britain. [1] In 1866, Englishman William Curtis filed the first patent on a gas-operated repeating rifle but subsequently failed to develop that idea further. [2]

  6. Powder measure - Wikipedia

    en.wikipedia.org/wiki/Powder_measure

    Ivory powder measure used to provide a uniform amount of gunpowder for a muzzle-loading firearm before cartridges were available. A powder measure is a device for dispensing consistent amounts of smokeless powder or black powder as charges for handloading cartridges used as small arms ammunition. a typical volumetric powder measure

  7. Black powder substitute - Wikipedia

    en.wikipedia.org/wiki/Black_powder_substitute

    Black powder was the first explosive ever invented, and was the primary propellant used firearms around the world for many centuries. However, in modern times, smokeless powder has largely replaced black powder as the most common firearm propellant.

  8. .700 Nitro Express - Wikipedia

    en.wikipedia.org/wiki/.700_Nitro_Express

    In the 18-pound (8.2 kg) rifle used by Accurate Reloading this would result in recoil energy of approximately 160 ft⋅lbf (220 J). This is more than ten times the average recoil from a .308 Winchester which is a common hunting calibre, and more than 4 times the recoil of a strong .45-70 Government round.

  9. Hodgdon Powder Company - Wikipedia

    en.wikipedia.org/wiki/Hodgdon_Powder_Company

    The C was to indicate the powder burned "cooler" than traditional Improved Military Rifle (IMR) powders. [4] In 1949, he began acquisition of powder salvaged from disassembled Oerlikon 20mm cannon cartridges. This powder resembled IMR 4350 in appearance, and with a slower burning rate, was initially marketed as "4350 Data", and later as 4831. [5]