The Ruger Blackhawk Convertible is a single-action revolver chambered in .45 Colt with a second cylinder included for .45 ACP. It has a 5.50-inch barrel, 6-round capacity, blued finish, and weighs 40 oz. Overall length is 11.38 inches. Sights are a ramp front with adjustable rear. The grip is black checkered hard rubber. A transfer bar safety mechanism is included. 
 

Key Specifications 

• Brand: Ruger 
• Model Name: Blackhawk Convertible 
• Caliber: .45 Colt / .45 ACP 
• Action Type: Single Action 
• Capacity: 6 rounds 
• Barrel Length: 5.50 inches 
• Overall Length: 11.38 inches 
• Weight: 40 oz 
• Front Sight: Ramp 
• Rear Sight: Adjustable 
• Grip Material: Black Checkered Hard Rubber 
• Finish: Blued 
• Safety Mechanism: Transfer Bar 
   

Detailed Features 

1. The checkered hard rubber grip fills the hand naturally and assists with consistent pointability. 
2. The ramp front and adjustable rear sight combination gives you reasonable flexibility for different distances and load combinations. 
3. The transfer bar mechanism prevents discharge unless the trigger is deliberately pulled, adding a passive safety layer. 
4. Cold Hammer-Forged Barrel: Precise rifling and extended barrel life result from the cold hammer forging process. 
5. Interchangeable Cylinders: The included second cylinder lets you switch between .45 Colt and .45 ACP without tools, adapting to ammunition availability or preference.

The Ruger Blackhawk Convertible in .45 draws a mix of nostalgia and practical assessment from owners and enthusiasts. The build quality and material durability come up consistently as strengths. Owners describe it as solid and reliable over heavy use, and the blued finish looks good with proper care.

The dual-caliber capability is the most frequently praised feature. Being able to swap between .45 Colt and .45 ACP adds flexibility for range sessions and hunting trips when one cartridge may be easier to source than the other.

Accuracy is generally well-regarded. Owners find it holds its own for target shooting and hunting sidearm use, and the adjustable rear sight helps fine-tune for different loads.

The single-action trigger is a point of appreciation for many. The deliberate cocking action and resulting light pull are seen as enjoyable rather than inconvenient by most owners who specifically choose single-action revolvers.

On the critical side: the 40 oz weight draws some commentary for extended carry. Some buyers familiar with modern semi-automatics find certain aspects of the design dated, which is a matter of preference rather than a flaw. The traditional styling is a selling point for most who choose this gun.