The Ruger Blackhawk Convertible is a single-action revolver that ships with two cylinders — one for .357 Magnum and one for 9mm Luger. The 4.6-inch barrel and stainless steel finish keep it practical across a range of shooting uses. 
 

Key Specifications 

• Manufacturer: Ruger 
• Model: Blackhawk Convertible 
• Type: Revolver (Single Action) 
• Caliber: .357 Mag / 9mm Luger 
• Barrel Length: 4.6 inches 
• Capacity: 6 rounds 
• Finish: Stainless Steel 
• Weight: 46 oz (2.9 lbs) 
• Sights: Adjustable Rear Sight / Ramp Front Sight 
   

Detailed Features 

1. Convertible Cylinder: Two cylinders included — swap from .357 Magnum to 9mm Luger with a simple cylinder change. Useful when one cartridge is more available or affordable. 
    
2. Single-Action Mechanism: Hammer must be cocked for each shot, which gives a lighter, more deliberate trigger pull than double-action revolvers. 
    
3. Adjustable Sights: Adjustable rear sight with ramp front sight. Useful for dialing in at different distances. 
    
4. Stainless Steel Frame: Corrosion resistant and durable over years of use. 
    
5. Rosewood Grips: Comfortable for extended sessions and provides a secure hold. 
    

Target Audience 

 
Sport shooters who want caliber flexibility, hunters after small to medium game, and single-action revolver enthusiasts who want the added utility of a second cylinder. 
 

Usage Scenarios 

• Hunting: .357 Magnum handles small to medium game; 9mm cylinder is useful for practice with cheaper ammunition. 
• Sport Shooting: Adjustable sights and single-action trigger suit target and accuracy work. 
• Home Defense: Reliable single-action operation for those comfortable with the manual of arms.

The convertible cylinder feature is what drives most of the discussion. Owners appreciate being able to run 9mm — cheaper and easier to find — for practice and then switch to .357 Magnum when it matters. That practical flexibility is the top selling point cited in user conversations.

Build quality and accuracy come up consistently as positives. The stainless construction gets good marks for durability, and owners report it holds up well over many rounds. Single-action trigger feel is typically praised — lighter and crisper than double-action alternatives.

Size and weight are the main critiques. At 46 oz it's a substantial revolver, and some users find it less suited for all-day carry. New shooters occasionally find the single-action operation less intuitive than a semi-automatic, though most adapt quickly with range time.