lysanderxiii
Member
That could not have been made in 1853, that model wasn't introduced until 1861.I have a .36 cal. 1851 Colt that my grandfather gave me back in the mid 80s. All he said was that his brother told him it had been in the family a long time. My searches on the interwebs indicate it was manufactured in 1853.
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It's long past shooting condition but a shootable replica is on my list of guns to buy.
http://www.collectorsfirearms.com/colt-1861-navy/
The Colt Model of 1851 had an octagon barrel.