Caliber: .22 LR/.22 Mag. Convertible. Action: Single & Double Grips: Checkered glass filled Nylon. Capacity: 9 rounds., Front Sight: Blade., Rear Sight: Integral., Barrel length: 4.5 inch. Overall length: 9.875 in. Frame and handle material: Zinc, frame and handle finish: Black Cerakote. Weight: 32.5 oz., Twist: 1:16 RH. Grooves: 6. The Sidekick is chambered in both .22 LR and .22 Mag with 9-shot cylinders. It has a 9-round capacity and weighs 32.5 ounces. Swing-out cylinders allow the user to switch between .22 LR and .22 Mag in seconds.