Arm yourself with the Diamondback Sidekick Dual Cylinder .22 LR/.22 Mag Revolver. It is single and double action with a 9-round capacity. There is a 4.5-inch steel barrel, and the revolver is equipped with a polymer grip. There is a blade front sight and an integral rear sight. Diamondback Sidekick Dual Cylinder .22 LR/.22 Mag Revolver - Handgun Revolvr Rimfire at Academy Sports