Bond Arms Defender 3" Barrel – .357 Magnum – Compatible with Bond Arms Derringers

This 3-inch replacement barrel from Bond Arms allows you to convert your compatible Bond Arms derringer to chamber .357 Magnum cartridges. Swapping barrels on Bond Arms firearms takes seconds and requires no gunsmithing, giving you the flexibility to switch calibers based on your intended use—whether that's trail carry, personal defense, or small game hunting. The .357 Magnum chambering offers serious stopping power in an ultra-compact platform.

Constructed from stainless steel with a bead-blasted matte finish for durability and corrosion resistance. This barrel is designed specifically for Bond Arms Defender models and other compatible Bond Arms derringer frames. Installation is tool-free: remove the hinge pin, swap the barrel assembly, and replace the pin. Always verify headspace and function after barrel installation, and consult your owner's manual for compatibility with your specific frame model.

• Type: Replacement Derringer Barrel
• Caliber: .357 Magnum
• Barrel Length: 3 inches
• Material: Stainless Steel
• Finish: Bead-Blasted Matte
• Compatible Firearms: Bond Arms Defender and other compatible Bond Arms derringer frames