What was the technical reason for going from 30-03 to 30-06?

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  • raymeketa
    Senior Member
    • Dec 2010
    • 884

    #16
    After setting the barrel back in order to shorten the free bore, the case neck could have been left as it was and would have worked just fine with the new bullet. But, that long neck was not needed so they decided to shorten it too. This actually led to some additional expense because 30 million of the M1903 cartridges were broken down, the case necks shortened, and the cases re-loaded as M1906. That's why you will find many M1906 cartridges with headstamps dating before 1906. Collectors who are not aware of this think they have found a rarity when the get a M1906 cartridge with a 1905 headstamp.

    The Cal .30 Carbine was designed to be a lightweight specialty rifle for use at distances under 300 yards. It was originally called the cal .30 SR (Short Rifle). The .32 SL (Self Loading) cartridge fit the bill exactly. The first ammunition loaded is headstamped W.R.A. 30 SL. Later ones were headstamped REM-UMC 3 SL and WESTERN 32 SLR. These are all collectable.

    ray
    Last edited by raymeketa; 01-09-2014, 09:57.

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