184: NIB Diamondback Sidekick Revolver in 22 Mag with 4.5" Barrel. This revolver operates in double or single action and it features a 9 shot swing out cylinder, checkered plastic grips, a grey / black finish and fixed sights. The gun looks like the old Single Action Army revolvers, but it also operates in double action and it comes in 22 Mag. The gun is brand new and in its original box with paperwork. Estimated Value: Low: $325 High: $375