This Bond Arms 4.25-inch 9mm Luger accessory barrel (brand part no. BABL-425-9MM-M) is a direct-fit replacement barrel for compatible Bond Arms break-open derringer frames, finished in matte for a durable, low-glare exterior. Swapping barrels lets a single Bond Arms frame shoot multiple chamberings, so you can add 9mm Luger capability to your derringer without buying a whole new gun.

Key Specifications

• Chambered in 9mm Luger, adding this caliber to a compatible Bond Arms derringer frame.
• Barrel length of 4.25-inch, Bond Arms’ interchangeable break-open barrel design.
• Finished in matte for a durable, low-glare exterior.
• Genuine Bond Arms factory accessory barrel, not a generic aftermarket part.
• Installs on compatible Bond Arms derringer frames using the standard hinge-pin barrel swap, no gunsmithing required.

Frequently Asked Questions

Will this barrel fit any Bond Arms derringer? It fits Bond Arms frames sized for this barrel’s hinge-pin and frame-length pattern; confirm your specific model’s compatibility before ordering, since Bond Arms uses a couple of frame-length families.

Do I need a gunsmith to install it? No. Bond Arms barrels are designed for a tool-free hinge-pin swap that an owner can do at home in a few minutes.

Can I use this to add a caliber to my derringer? Yes, that’s the main purpose of Bond Arms’ interchangeable barrel system — one frame can run several barrels chambered in different calibers.

Buy the Bond Arms 4.25-inch 9mm Luger Accessory Barrel

Order this Bond Arms 9mm Luger accessory barrel from our Bond Arms lineup, browsable in our full gun parts selection, with fast, insured shipping from our Lubbock, Texas gun shop.