The Old West Big Bore Derringer is a 2-shot derringer chambered in 9mm with a 3.5-inch barrel. The frame is black alloy with black grips accented by rosewood. It ships new in box. 
 

Key Specifications 

• Manufacturer: Old West Firearms 
• Model: Big Bore 
• Type: Derringer 
• Action: Derringer 
• Caliber: 9mm 
• Barrel Length: 3.5 inches 
• Finish: Black Alloy Frame 
• Grips: Black with Rosewood accents 
• Capacity: 2 Rounds 
• Sights: Front Sight 
• Material: Alloy 
• Condition: New in Box 
   

Detailed Features 

The 9mm chambering gives this derringer more stopping power than the .22 or .38 options common in the format, though the 2-round capacity means shot selection matters. The alloy frame keeps weight low. Rosewood grip accents give it a traditional appearance that fits the Old West branding. 
 
The single front sight is basic. Don't expect precision at distance. This is a close-range tool. 
 

Usage 

Derringers work as backup guns or a compact option when a larger pistol isn't practical. The 2-round limit is a real constraint for primary defense use, so most owners treat it as a secondary piece or a collectible. The 9mm chambering at least means the rounds available are common and effective. Recoil in a lightweight alloy derringer is noticeable, which is worth keeping in mind for new shooters.

The Old West Big Bore Derringer 9mm gets a mixed but generally positive reception among enthusiasts. The black and rosewood finish combination gets consistent praise for its looks. It's a visually distinctive piece that appeals to collectors and fans of classic derringer styling.

On performance, most users report that the 9mm chambering delivers meaningful stopping power for the size, which is a step up from smaller-caliber derringers. Reliability feedback is mostly favorable, with users reporting clean operation and few malfunctions. Recoil gets mentioned regularly. The alloy frame is light, and 9mm in a small, lightweight gun is snappy. That's manageable for a backup piece but worth knowing going in.

Accuracy at distance is limited, as you'd expect from a short-barreled derringer with a single front sight. Nobody is using this for precision shooting.

The 2-round capacity is the most common limitation raised. Most owners position it as a backup gun or collection piece rather than a primary defensive firearm. At that role it generally satisfies. It's compact, distinctive, and the 9mm chambering keeps it relevant.