Bond Arms Rowdy, Derringer, 410 2.5 or 45LC, 3 Barrel, Steel, Silver, Rubber Grips, Fixed Sights, 2 Rounds, With Trigger Guard BARW-45/410 The compact, yet rough-looking, Rowdy is a new type of Bond Arm gun. It's built with a 3" barrel chambered for 45/410. Works best with smoothed lined holsters.