Description
The Sidekick is Diamondback's take on the classic kit gun, and it pulls off a neat trick: old-school cowboy styling on the outside, modern convenience underneath. It ships with two 9-shot cylinders, one in .22 LR and one in .22 WMR, and swapping between them takes seconds. Run cheap .22 LR all afternoon at the range, then drop in the Magnum cylinder when you want more punch for pests or small game. Nine rounds per cylinder also means three more shots than most rimfire wheelguns give you before it's time to reload.
Cowboy Style, Modern Manners
Where most revolvers in this style stick you with a loading gate and one-at-a-time ejection, the Sidekick uses a swing-out cylinder with the release built right into the ejection rod. Push all nine empties out at once and get back to what you were doing. It runs both double and single action too, so you can cock the hammer for careful shots or just pull the trigger and go. The centered trigger works equally well for right and left handed use, and the fixed blade front and integral rear sights keep the sight picture simple and snag free.
Built for the Truck, the Trail, and the Range
This version wears a Dark Gray Cerakote finish over the zinc alloy frame with a 4.5 inch barrel, checkered glass-filled nylon grips, and a 1:16 twist rate. At 32.5 ounces it has enough heft to sit steady in the hand, which makes an already soft-shooting rimfire feel even smoother. It is the kind of gun that ends up riding along on camping trips and lazy weekends of can plinking.
Why the Sidekick Earns Its Keep
Owners consistently praise the build quality, the comfortable single action trigger, and how simple the cylinder swap is. Whether it is your first revolver or the fun gun you have been meaning to add, the Sidekick covers a lot of ground for a rimfire: practice, pest control, small game, and plain old enjoyment, without burning through expensive ammo.
Key Specifications
- Manufacturer: Diamondback Firearms
- Model: Sidekick
- Manufacturer Part Number: DB0500A051
- UPC: 810035755352
- Caliber: .22 LR / .22 WMR (convertible)
- Action: Double / Single Action
- Capacity: 9 rounds
- Barrel Length: 4.5"
- Overall Length: 9.875"
- Weight: 32.5 oz
- Frame Material: Zinc alloy
- Finish: Dark Gray Cerakote
- Grips: Checkered glass-filled nylon, black
- Sights: Blade front, integral rear (fixed)
- Twist Rate: 1:16 RH
- Safety: Hammer safety
What’s Included
- Diamondback Sidekick revolver
- 9-shot .22 LR cylinder
- 9-shot .22 WMR cylinder
- Manufacturer's box and owner's manual
Frequently Asked Questions
Does the Diamondback Sidekick come with both cylinders?
Yes, both cylinders ship in the box with this model. You get a 9-shot .22 LR cylinder and a 9-shot .22 WMR cylinder, so there's nothing extra to buy before you can run either cartridge. Swapping between them only takes a few seconds.
How do you switch between .22 LR and .22 Mag on the Sidekick?
The Sidekick uses a swing-out cylinder with the release built into the ejection rod, so the whole cylinder assembly comes out quickly for a swap. Most owners find the change takes well under a minute once they've done it a time or two. It's a big convenience upgrade over single-cylinder rimfire revolvers.
Can the Sidekick be fired double action, or is it single action only?
Despite its single-action cowboy looks, the Sidekick is a true double/single action revolver. You can cock the hammer manually for a lighter, crisper trigger pull, or simply pull the trigger straight through in double action. The single action pull is where it really shines for accuracy work.
What is the Diamondback Sidekick best suited for?
It's a do-a-little-of-everything rimfire. The .22 LR cylinder makes it a cheap and fun plinker and trainer, while the .22 WMR cylinder steps things up for pest control and small game. With nine rounds on tap and mild recoil in both chamberings, it's also a popular pick as a first revolver or a camping and trail companion.




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