Description American Derringer Model 1 chambered in .45 Colt and .410 Bore with a two-shot capacity with automatic barrel selection, and 3″ O/U barrel. Stainless steel barrel, frame, trigger, and hammer. Manual hammer block safety. Satin stainless finish with smooth wood grips. Serrated hammer with Manual block safety. Frame mounted barrel release lever. Rear trench and front blade iron sights. Comes in its factory box with factory paperwork. Must ship to a FFL holder. Condition: Good/Very good with light scratches and wear from normal handling. Some small spots of pitting on the frame. Clean rifled bores. Barrel Length: 2.5″ Serial: 128406 Manufacturer: AMERICAN DERRINGER CORPOR Gauge: .410 Caliber: .45 Colt Model: M-1 Book# 03637