Bond Arms DT47, Derringer, 410 or 45LC, 4.25 Barrel, Steel, Silver, B6 Resin Grips, Fixed Sights, 2 Rounds, With Trigger Guard DT47-45-410 A stunning salute to a remarkable comeback and victory by our 45th and 47th Commander in Chief, the DT47 features elaborate engraving on both sides of a flat-sided 4.25" barrel chambered in 45 Colt/.410.