Rifles, shotguns, and revolvers, made by many different companies.
1851 Colt Navy revolver in .36 caliber
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how much is a 1851 colt navy 36 gun
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The 1851 Colt navy with serial # 112343 was produced in 1861. (98000-117999) about 1861
Colt, Uberti, Ruger
In 1849, production of the Colt Pocket Percussion revolvers began. Below is a link with a short history of the Pocket Colt.
If not factory, basically impossilbe. If factory, you will have to compare to Colt Catalogs.
If it says Uberti anywhere on your revolvers then it is a reproduction. Check under the push rod, on the barrell, and on the frame for "Uberti" . If it's not there it doesn't mean it's an authentic. It could still be a counterfeit. Further investigation by an expert would be necessary.
Colt's records, R.L. Wilson's The Book of Colt Firearms to name a few.