The Ruger Blackhawk Flattop Convertible is a single-action revolver chambered for both .357 Magnum and 9mm, shipping with two cylinders so you can swap calibers without buying a second gun. The satin stainless steel finish resists corrosion and holds up well in outdoor conditions. The 4.625-inch barrel keeps the package compact while still giving a decent sight radius. 
 

Key Specifications 

• Manufacturer: Ruger 
• Model: Blackhawk Flattop 
• Type: Revolver 
• Action: Single Action 
• Caliber: .357 Mag / 9mm 
• Barrel Length: 4.625 inches 
• Capacity: 6 rounds 
• Finish: Stainless Steel (Satin) 
• Weight: 2.75 lbs (44 oz) 
   

Features 

The transfer bar safety means the revolver only fires when the trigger is deliberately pulled, which matters for a single-action that's carried with all six chambers loaded. The rear sight is fully adjustable, and the ramp front sight gives you a clean sight picture. The hardwood grip has a stained finish and the Ruger medallion inset — nothing fancy, but comfortable and grippy enough for extended range sessions. The convertible cylinder setup is practical: .357 Magnum for full-power work, 9mm when you want cheaper practice ammunition or already carry that caliber.

The Blackhawk Flattop Convertible in .357/9mm stainless draws consistent praise for build quality and durability. Ruger's construction standards come up reliably in owner discussions, and the stainless finish in particular gets credit for holding up outdoors without excessive maintenance.

The dual-caliber feature is one of the most-discussed selling points. Owners appreciate the flexibility of swapping to 9mm for cheaper range sessions while keeping .357 Magnum available when it counts. Accuracy feedback is generally positive, with the adjustable sights frequently mentioned as a genuine improvement over fixed-sight alternatives.

Weight and trigger pull are the recurring criticisms. At 44 oz the revolver is on the heavier side, which some owners find noticeable during long carry sessions. The trigger pull gets occasional complaints from shooters who prefer a lighter break, though most find it acceptable after some time behind the gun.