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small bore??

Posted by Watson Gunderson on Saturday, 2 June 2012, at 5:31 p.m.

Hey all, just bought my first Trapdoor 1884 model infantry, serial number puts it about 1886. It is in great shape clean, no rust pitting and rifling is in great shape. I purchased two boxes of Black Dawge cartridges 500 grain weight to put it through its paces, but none of the cartridges chamber! The bullet diameter is too large. The new cartridges measure .459-60ish ( I think is normal). A buddy of mine has a couple of trapdoors and the new cartridges seems to chamber fine in his rifles with the exception of one rolling block in 45-70. I do have 4 cartridges that came with the gun (round nose) they measure right at about .450 "ish" and they chamber fine. Has anyone else had this problem? Did bores vary that much? I would love to shoot this rifle so help would be appreciated. (PS I am unable at this time to check bore diameter.


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