2900.00 Antique Squareback Trigger Guard Colt Model 1848 Baby Dragoon Percussion Revolver Calgary Mar 23, 2024 - 4:47 PM antiques only This is a Colt Model 1848 Baby Dragoon Percussion Revolver. These were produced from 1847 to 1850 with this one being a 1850 gun. This is a 5 shot .31 caliber with a 6” octagon barrel. Sadly this is not a numbers matching gun.