Colt Model 1860 Thuer Conversion Revolver

conversion thuer collar cylinder 1860 model typical colt using special light revolver barrel consisted cutting fitting mcdowell readable outside-of-the-factory retains grooving dated matching corrosion minor varnish army caliber original standard round examples patina areas bore manufactured 1869 single september exist threading usually indicates left good chips 179740 action cartridges right 15th wedge traces stamps fine serial features shot altered frame book 1868 numbers numbered basically freckling scene factory stocks indexes strong script letter plunger threaded