Bond Arms Cyclops, Derringer, 45-70 Government, 4.25 Barrel, Manual Safety, Fixed Sights, Stainless Steel, Silver, 1 Round BACY-45-70 The Cyclops features a 4.25" stainless steel barrel that is bored out as a single-shot to add weight and comfort. In addition, the Cyclops also features their brand new, proprietary high-strength grips which fill the hand properly and lend to a pleasant shooting experience.