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  1. #1
    Join Date
    Oct 2012
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    Turku
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    Small caliber muzzleloading rifles

    What is the smallest usable caliber for muzzleloading rifle used in Vetterli (50m) and Whitworth (100m) competitions?

    I began to think about this as I found a bulge in the barrel of my .45 rifle last night when cleaning the gun after competition.
    Bulge is 23cm from end of barrel. Havenīt noticed bulge before, so it propably came there yesterday. Have to test if accuracy is still there.
    Shot 93pts in Vetterli with last 7 shots being the better ones, so barrel might still be good for 50m shooting. If it is, following is just theoretical discussion...

    What if a gunsmith bores the barrel open and installs a liner made from 7.92x57 Mauser barrel?
    Wikipedia says that the land to land diameter of that caliber is .311 so .30 caliber moulds could be modified to make suitable bullets - or used as is.
    Maybe something like this: http://leeprecision.com/mold-dc-tl309-230-5r.html or this: http://noebulletmolds.com/NV/product...59sqlgq441tbh4

    Another option might be using the barrel of 7.62x54R Maxim machine gun and bullet like this: https://www.buffaloarms.com/300-140-...wood-jim300140

    What disadvantages are there using smaller caliber? I know .38 muzzleloading rifles are used in Vetterli/Whitworth, but donīt know what dia. bullets they use. Tilo Dedinski makes .38 ML rifles with twist of 600mm/revolution. 7.92x57 twist is 240mm.
    Last edited by JiriK; 30-07-2017 at 09:10 PM.

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