this post was submitted on 04 Jul 2025
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Explanation: The US military, historically, has used the designation of 'M' followed by a number to differentiate types of equipment. "Light Tank, M1" being, for example, the 'Model 1' or first model of light tank.
This uh, has led to a very large number of 'M1s' throughout the years.
The practice became the standard for nomenclature starting in the 1920s, gradually replacing other conventions such as naming based on the year of adoption (M1911, M1919, and M1903 as examples). This led to a lot of M1s in WW2 due to the timing of the nomenclature change.
I find it interesting that the .30-06 caliber is named for year of adoption, with the name of the standard cartridge in WW2 being M1.
Ahhh, 30-06, god's own rifle calibre.
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