These 3 Revolvers Utilize a Convertible Platform Offering Multi-Caliber Functionality

For full article click here Athlon Outdoors

This article appears on Athlon Outdoors. They reviewed 3 revolvers and this is the portion that features our Double Dog model.

There’s a quiet revolution happening in the revolver world—and it’s got nothing to do with red dots or polymers. It’s all about versatility. More specifically, it’s about convertible revolvers that can run more than one caliber reliably and efficiently.

Why Convertible Revolvers?

In 2025, multi-caliber wheelguns aren’t just fringe curiosities for the gun-counter curious. They’re practical, real-world tools for shooters who value adaptability without giving up the proven mechanics of the revolver platform.

Let’s face it, ammunition prices fluctuate. Shelf availability gets weird. And sometimes you just want to shoot your favorite wheelgun in 9mm without having to buy a new one—or worse, stockpile a second stash of parts and holsters.

That’s where convertible revolvers step in. They let you run .357 Magnum or .38 Special one day, and swap the cylinder to run 9mm the next. Simple idea, right? But not every maker executes it the same way.

Charter Arms Double Dog See it here

Charter Arms Double Dog – Budget Brilliance with a Clever Twist

And now we come to what might be the most innovative revolver in this category. Not because of price or polish, but because of pure ingenuity.

The Charter Arms Double Dog is a five-shot revolver designed for deep concealment and daily carry. Out of the box, it runs .38 Special/.357 Magnum, but what makes it special is the 9mm cylinder.

Unlike the Taurus and the Spohr, which rely on moon clips to hold and eject rimless rounds, the Double Dog does it differently. It uses a detent-based retention system that holds each 9mm cartridge in place individually. That means no moon clips. Nothing to lose. Nothing to fumble with.

It’s the only revolver on the market right now with this system. You’ve got to give Charter Arms serious credit for trying something new. Of course, the trade-off is speed. Reloading rimless cartridges without a clip or rim to catch means you’ll need to be deliberate with your reloads.

It’s not going to win you any competition stages. But for concealed carry or range practice, the system works surprisingly well once you’ve gotten a feel for it.

The Double Dog also includes standard barrel porting, which helps mitigate recoil—especially with hot .357 loads. That’s a rare feature in a sub-$600 revolver. At about $575, the Double Dog undercuts the Taurus on price and manages to introduce real innovation in a market that doesn’t often change.

It may not have the elegance of the Spohr or the polish of the Taurus, but it brings its own clever solution to the table. For that, it deserves serious attention.

Final Thoughts – Why Convertible Revolvers Matter

Multi-caliber revolvers are a quiet answer to a loud question: How do we make classic platforms more flexible without overcomplicating them? In a world where semi-autos keep racing forward with new materials, optics, and capacity tricks, revolvers stand their ground through reliability, mechanical honesty, and now—modularity.

The Taurus 692 gives shooters a reliable workhorse that can adapt to multiple roles without breaking the bank. The Spohr Club Edition 5.0 offers a premium experience for those who demand perfection in every pull of the trigger. And the Charter Arms Double Dog? That’s the sleeper pick—the one that proves innovation doesn’t have to come with a luxury price tag.

In 2025, if you’re looking to stretch your ammunition flexibility, reduce platform redundancy, or just add something incredibly cool to your kit—convertible revolvers have earned their place. These guns aren’t gimmicks. They’re problem-solvers. And they’re just getting better. Shoot safe.