The Diamondback Sidekick is a DA/SA revolver chambered in .22 LR with a 5.5-inch barrel and 9-round capacity. It ships with two cylinders, letting you swap between .22 LR and .22 Magnum without any tools. 
 

Key Specifications 

• Brand: Diamondback 
• Model: Sidekick 
• Type: Revolver 
• Caliber: .22 LR 
• Barrel Length: 5.5 inches 
• Capacity: 9 rounds 
• Weight: 2 lbs (32.50 oz) 
• Action Type: Double Action / Single Action (DA/SA) 
• Sights: Blade Front / Integral Rear 
• Grip Material: Black Checkered Glass-Filled Nylon (GFN) 
• Finish: Dark Gray Cerakote Barrel / Black Cerakote Cylinder 
• Condition: New in Box 
   
  The zinc alloy frame keeps weight low at 32.5 oz, and the steel barrel with dark gray Cerakote holds up well against corrosion. The 5.5-inch barrel contributes to accuracy at range distances, while the GFN grips provide a consistent hold. Having both cylinders included at purchase is the main differentiator here compared to single-caliber .22 revolvers. 
   
  At this price point the Sidekick competes directly with Heritage Rough Rider variants. It works well for casual range days, plinking, and small game, and the 9-round capacity is a genuine advantage for a .22 revolver.

The Diamondback Sidekick generates pretty consistent discussion around its dual-caliber feature. The ability to swap between .22 LR and .22 Magnum cylinders is the top talking point, and most owners treat it as a real practical advantage rather than a gimmick.

Affordability comes up often in the context of comparisons to Heritage Rough Rider revolvers. Some buyers choose the Sidekick specifically for the second cylinder, seeing it as better value; others go back and forth about build quality relative to price. Feedback on construction is mixed: some owners report it feels solid and runs reliably session after session, while others have noted fit-and-finish concerns or questions about long-term durability.

The shooting experience at .22 LR gets positive marks, with smooth trigger pull and low recoil cited regularly. Balance and grip ergonomics get occasional criticism. Customer service experiences vary enough to appear in threads, with both positive warranty stories and frustrations reported. On the whole, discussion is favorable for casual shooters and those wanting an affordable, dual-caliber option, with durability being the main open question.