The Cimarron Firearms Couberti Thunderer .357 Magnum 3.5" revolver merges two classic frontier designs into a single-action carry gun that feels right in hand and shoots true. This isn't a reimagining of Old West revolvers—it's a purposeful pairing of the ergonomic grip geometry of the legendary Thunderer with the uncomplicated mechanics and pointability of a traditional single-action six-shooter. The result is a compact, practical revolver that balances historical authenticity with shootable comfort, ideal for hunters, sport shooters, and western enthusiasts who want genuine heritage iron that actually works for modern use.
At 3.5 inches, the barrel strikes the sweet spot for carry without sacrificing velocity or sight radius. The case-hardened frame wears a standard blue finish that's both protective and period-correct in appearance. A one-piece walnut grip—available in smooth or checkered—anchors the gun securely and complements the revolver's classic profile. At just 2.57 pounds, this Couberti handles like a real working sixgun, not a museum piece.
Chambered in .357 Magnum, you've got plenty of stopping power whether you're shooting full-power loads or milder .38 Special ammunition (both are safely interchangeable in a .357 revolver). The single-action trigger breaks clean, and the robust construction means this gun will run reliably for decades of shooting. If you've wanted the grip comfort and handling of a modern revolver with the soul of a genuine single-action Colt-type gun, the Couberti Thunderer delivers both.
| Caliber | .357 Magnum |
| Barrel Length | 3.5 inches |
| Action Type | Single Action |
| Frame | Case Hardened |
| Finish | Standard Blue |
| Grip Material | One-Piece Walnut (Smooth or Checkered) |
| Weight | 2.57 lbs |
| Manufacturer | Cimarron Firearms Co |
Yes. .357 Magnum revolvers are designed to safely fire both .357 Magnum and .38 Special ammunition. Many shooters use lighter .38 loads for practice or reduced recoil.
The Couberti pairs a traditional single-action mechanism with the grip frame geometry of the Thunderer revolver, offering improved ergonomics and comfort compared to classic Colt-style single-actions while maintaining the simplicity and reliability of single-action operation.
The 3.5-inch barrel length and 2.57-pound weight make this a compact, practical option for those interested in carrying a working single-action revolver. Fit depends on your holster and carry method.
The Couberti ships with a one-piece walnut grip available in your choice of smooth or checkered finish.
Firearm Shipments:
To buy rifles or shotguns, you must be 18 years old, and for handguns, actions, or receivers, the minimum age is 21. By placing an order for this firearm, you confirm that you are the legitimate transferee/buyer, meet the legal age requirements, and comply with all Federal, State, and local laws and regulations necessary to purchase this firearm.
We only ship firearms to valid Federal Firearms License (FFL) holders. At checkout we provide a FFL locator for your convenience.
We will need a copy of the FFL’s license to facilitate the process, kindly request your dealer to email us a copy of their FFL, as we cannot dispatch the firearm until we receive this document. It is imperative for the buyer to choose their FFL dealer, ensure they are willing to facilitate the transfer, and have them email their FFL copy to BOSQUE Outdoors. To avoid any confusion, the customer's name or order number must be mentioned in the email containing the FFL.
Email: [email protected]
Cimarron Firearms Co
Cimarron Firearms Co
Cimarron Firearms Co
