British Eat India Co. Cavalry Pistol

[rickystl]

Hello all. This is a new addition to the family. When I first saw the seller's photos I thought this was a Model 1840 percussion pistol. But the hammer screw looked wrong. I new it was not the latter Model 1843. So now that I have it, it appears to be a Model 1820 with an Arsenal conversion to percussion. Do you think my analysis is correct ? It's in really nice condition. Caliber comes out to about .68. I tried to photo the barrel markings, but the patina is too dark. The only mark on the inside of the lock appears to be a broad arrow (?) But some cleaning may prove me wrong. Looks to be some Navel rack numbers on the butt cap. Thanks for looking. Picture heavy.
Rick.