The Ruger Blackhawk Convertible is a single-action revolver chambered in .357 Magnum with a second cylinder for 9mm Luger. The 6.5-inch barrel is cold hammer-forged alloy steel with a blued finish, and the full package weighs 45 oz at 12.38 inches overall. Capacity is 6 rounds. Sights are a ramp front with an adjustable rear. The transfer bar safety prevents accidental discharge without the trigger being deliberately pulled. 
 

Key Specifications 

• Brand: Ruger 
• Model: Blackhawk Convertible 
• Caliber: .357 Mag / 9mm Luger 
• Action Type: Single Action 
• Capacity: 6 Rounds 
• Barrel Length: 6.5 inches 
• Overall Length: 12.38 inches 
• Weight: 45 oz 
• Material: Alloy Steel 
• Sights: Front Ramp, Rear Adjustable 
   

Detailed Features 

1. The additional cylinder lets you switch between .357 Mag and 9mm Luger without tools, which is useful for tailoring sessions to cost or recoil tolerance. 
    
2. The ramp front and adjustable rear sights let you compensate for point-of-impact differences between the two calibers. 
    
3. The transfer bar mechanism adds an important safety layer against accidental discharge. 
    
4. The western-style grip provides a comfortable hold during use. 
    
5. Cold hammer-forged barrels with tight rifling contribute to sustained accuracy over the gun's lifespan. 
    

Usage Scenarios 

1. Home Defense: The choice between calibers gives flexibility depending on load preferences. 
2. Competitive Shooting: Adjustable sights and interchangeable cylinders suit target work at varying distances. 
3. Outdoor Use: Handles small game and field carry where a revolver's simplicity is an asset.

The dual-caliber capability is consistently the feature users talk about most. Having a single revolver that accepts both .357 Magnum and 9mm Luger is genuinely practical — cheaper 9mm for range days, .357 when stopping power matters.

Build quality and reliability get positive marks across the board. Ruger's Blackhawk has a long track record, and current production examples maintain that. Users report smooth cycling and confidence in the transfer bar safety.

The aesthetics of the traditional western-style design attract collectors and revolver enthusiasts who want classic lines alongside functional modern safety features.

Criticisms center on recoil with full-power .357 Magnum loads, which some newer shooters find significant, and minor variability in accuracy between the two calibers. The latter is expected and manageable with sight adjustment. Overall, this revolver has a clear appeal to buyers who want a versatile single-action with real-world caliber flexibility.