This Bond Arms 4.25-inch .45 Colt/.410 bore accessory barrel (brand part no. BABL-425-45/410-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 .45 Colt/.410 bore capability to your derringer without buying a whole new gun.

Key Specifications

• Chambered in .45 Colt/.410 bore, adding this caliber to a compatible Bond Arms derringer frame.
• Chambers both cartridges in the same barrel, a Bond Arms combo-caliber option.
• 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 .45 Colt/.410 bore Accessory Barrel

Order this Bond Arms .45 Colt/.410 bore accessory barrel from our Bond Arms lineup, browsable in our full gun parts selection, with fast, insured shipping from our Lubbock, Texas gun shop.