Description
Bond Arms built the Cowboy Defender for two crowds at once: Cowboy Action competitors who want a period-correct pocket pistol for side matches, and folks who appreciate having .410 shotshell capability in something small enough to forget you are carrying it. The 3 inch double barrel handles .45 Colt and 2.5 inch .410 shells interchangeably, so you can run classic lead cowboy loads one day and defensive shotshells the next without changing a thing.
What Sets the Cowboy Defender Apart
The big visual difference between this and the Texas Defender is the missing trigger guard. That is on purpose. The open trigger area keeps the lines true to the original derringer pattern, which matters if you are shooting Cowboy Action or just prefer the traditional look. Underneath that classic silhouette, though, this is all modern Bond Arms. The frame and barrel are machined from heat treated stainless steel, the patented rebounding hammer and retracting firing pins add real drop safety that the old rimfire derringers never had, and a crossbolt safety gives you a positive manual block. The spring loaded cammed locking lever pulls the barrel tight to the frame for consistent lockup and makes loading and unloading quick, with an automatic extractor kicking spent cases clear.
One Frame, Endless Options
Here is the part that turns a lot of people into repeat Bond Arms owners: this frame accepts the entire lineup of Bond Arms interchangeable barrels. Buy the Cowboy Defender in .45 Colt/.410 today, and down the road you can swap on a 9mm, .357 Magnum, or just about any other Bond barrel with a single screw. It is one of the few handguns that grows with you.
Fit and Finish Worth Showing Off
The laminated rosewood grips are fitted at the Bond Arms shop in Granbury, Texas, and since no two pieces of wood match exactly, every gun has a bit of its own character. At 19 ounces and about five and a half inches long, it rides easy in a pocket holster or on a gun belt at a match. Blade front and fixed rear sights keep things simple, which is exactly right for a gun like this.
Key Specifications
- Manufacturer: Bond Arms
- Model: Cowboy Defender
- MPN: BACD45/410
- UPC: 855959001178
- Caliber/Gauge: .45 Colt / .410 Bore (2.5" shells)
- Action: Single Action, Break-Open
- Capacity: 2 Rounds
- Barrel Length: 3"
- Overall Length: 5.5"
- Weight: 19 oz
- Frame/Barrel Material: Heat Treated Stainless Steel
- Finish: Polished Stainless
- Grips: Laminated Rosewood
- Sights: Blade Front, Fixed Rear
- Safety: Crossbolt, Rebounding Hammer, Retracting Firing Pins
- Trigger Guard: None (traditional derringer profile)
What’s Included
- Bond Arms Cowboy Defender derringer
- Owner's manual
- Factory box
Frequently Asked Questions
Can the Bond Arms Cowboy Defender shoot both .45 Colt and .410 shotshells?
Yes, that is the whole appeal of this chambering. The 3 inch barrel handles standard .45 Colt cartridges and 2.5 inch .410 shotshells interchangeably, and you can even mix one of each in the two chambers. Keep in mind it is sized for 2.5 inch shells, not the 3 inch magnum .410 loads.
Does the Cowboy Defender work with other Bond Arms barrels?
It does. The frame is compatible with the full line of Bond Arms interchangeable barrels, which swap out with a single screw. That means you can add calibers like 9mm, .357 Magnum, or .38 Special later without buying a whole new gun.
Why doesn't the Cowboy Defender have a trigger guard?
Bond Arms left the trigger guard off intentionally to match the traditional derringer profile favored in Cowboy Action Shooting. If you prefer the same gun with a trigger guard, the Texas Defender is essentially the identical pistol with one added. Despite the classic look, it still carries modern safety features like a crossbolt safety, rebounding hammer, and retracting firing pins.
Is the Bond Arms Cowboy Defender a good carry gun?
For deep concealment it is hard to beat the footprint. At around 19 ounces with a stainless frame and a roughly 5.5 inch overall length, it disappears in a pocket holster while still delivering .45 Colt or .410 shotshell power at close range. Two shots is the tradeoff, so most folks treat it as a backup or a minimal-dress carry option.





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