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  2. Improved military rifle powder - Wikipedia

    en.wikipedia.org/wiki/Improved_military_rifle_powder

    By 1936 improved DuPont process control produced batches conforming to published reloading data rather than requiring different charge specifications for each batch; [11] and those propellants have remained in production. Non-conforming batches were used to load commercial and military cartridges following traditional testing procedures.

  3. 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 ...

  4. .257 Weatherby Magnum - Wikipedia

    en.wikipedia.org/wiki/.257_Weatherby_Magnum

    The shortening of the case allowed for the more efficient use of the slow powder of the day, IMR 4350; [2] a powder which would not have provided any great advantage for such cartridges as the .257 Weatherby Magnum or the .270 Weatherby Magnum if such cartridges utilized the full length H&H case. Today, IMR 4350 is considered too fast a burning ...

  5. .460 Weatherby Magnum - Wikipedia

    en.wikipedia.org/wiki/.460_Weatherby_Magnum

    DuPont at one time shipped DuPont No. 4350 powder to Norma Projektilfabrik for the reloading of Weatherby ammunition. But some time later Norma was able to source a powder with similar burn characteristics locally which was used instead of DuPont's IMR 4350. [6] Norma would later purchase the company and rename the powder Norma 204.

  6. 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]

  7. GOP report: Liz Cheney should be investigated by FBI ... - AOL

    www.aol.com/gop-report-liz-cheney-investigated...

    The report raised a litany of concerns and questions about how the Jan. 6 investigation was carried out, how witnesses may have been pressured or influenced, and how records, files and other ...

  8. .264 Winchester Magnum - Wikipedia

    en.wikipedia.org/wiki/.264_Winchester_Magnum

    It was similar to the reasoning behind the shortened cases used by Weatherby as DuPont's IMR 4350 was the slowest burning powder available then. The .264 Winchester Magnum is a cartridge which was standardized by SAAMI , which published recommended specifications for the cartridge.

  9. Mortgage and refinance rates for Dec. 17, 2024: Average ... - AOL

    www.aol.com/finance/mortgage-and-refinance-rates...

    See today's average mortgage rates for a 30-year fixed mortgage, 15-year fixed, jumbo loans, refinance rates and more — including up-to-date rate news.