The Diamondback Sidekick is a 9-shot revolver chambered in .22 LR that ships with a second cylinder for .22 WMR. Swap cylinders and you can run either cartridge. It's a TALO exclusive configuration with a 5.5" barrel, zinc alloy frame, aluminum/black Cerakote finish, and black-and-grey laminate grips. 
 

Key Specifications 

• Brand: Diamondback Firearms 
• Model: Sidekick (TALO Exclusive) 
• Caliber: .22 LR / .22 WMR 
• Barrel Length: 5.5 inches 
• Capacity: 9 rounds 
• Frame Material: Zinc Alloy 
• Finish: Aluminum and Black Cerakote 
• Grips: Black and Grey Laminate 
• Sights: Blade front, integral rear 
• Included Accessories: Two cylinders 
• Condition: New in Box 
   

Features 

The dual-cylinder setup is the practical core of this revolver. Switching between .22 LR and .22 WMR gives you options based on availability and intended use: .22 LR for affordable practice and general plinking, .22 WMR for small game where a bit more velocity matters. Nine-round capacity is generous for a .22 revolver. 
 
The 5.5" barrel helps accuracy at typical rimfire distances and gives the gun a traditional single-action look and feel. The Cerakote finish adds weather resistance. The laminate grips are comfortable for extended range sessions. At this size and caliber, recoil is minimal, which makes it accessible for newer shooters and useful for extended practice sessions without fatigue.

The Sidekick's dual-cylinder feature is what most buyers come for, and it tends to deliver on that front. The ability to switch between .22 LR and .22 WMR is genuinely useful: cheap LR ammo for practice, WMR when you want more reach for hunting.

Build quality discussion is where opinions split. Some owners find the construction solid and the ergonomics comfortable; others raise concerns about cylinder alignment or extraction reliability after extended use. Quality control consistency comes up as a recurring topic, which suggests some unit-to-unit variation.

The TALO Exclusive finish gets good marks aesthetically. The laminate grips and Cerakote combination looks clean and holds up well. Range performance for accuracy and reliability tends to be positive in owner reports for casual use.

On price, most consider it reasonable for a dual-cylinder .22 revolver, particularly as a first revolver or a dedicated small game and range gun. Some compare it against other options at similar price points and find it competitive, others don't. But the dual-cylinder inclusion at that price level is a real differentiator.