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Thread: 1856 Tower Musket proof marks

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  1. #5
    Join Date
    Feb 2008
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    Quote Originally Posted by Huttles94 View Post
    I have read up on the internet that the 21 is most likely the mark for the caliber? Now I thought they were all .577 but I am probably wrong, the same comment was saying that a .577 was marked as 25.

    So I wonder what 21 would be? Were these guns made in many different calibers?
    The 21 is not the bore, it is number of lead balls of the same diameter as the bore that weigh one pound. Your 21 bore musket works out at .60cal. It is therefore not a converted Brown Bess - that's .69cal.

    Can you post images of the lock, please?
    Last edited by tacfoley; 10-12-2018 at 04:13 PM.

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