Remington new Model navy percussion revolver, cal 36

Remington new Model navy percussion revolver, cal 36. This one has US army  inspectorletters on the triggerguard and  an extra racknumber underside of barrel, racknumber is 31, serial 491, fitted with a conversion lever.   4300 were bought  by the Us navy and have no other markings than  inspector lettters. 
fine bore, good markings and outstanding grips retaining most of the varnish. a name is carved on the bottom. Retains approx 15 % of the blue, remainder a medium brown to grey,  works fine.