The Diamondback Firearms SDR is a compact, double/single-action .357 Magnum revolver built for concealed carry and personal defense. With a 2-inch barrel and a trim 5.5-inch overall length, it delivers serious stopping power in a package sized for everyday carry. The glass bead-finished silver cylinder and frame give it a clean, functional aesthetic without sacrificing durability.
Key Specifications
- Chambered in .357 Magnum, offering full-power defensive performance.
- The barrel measures 2 inches, optimized for concealed carry and close-quarters use.
- Operates in double/single action, giving the shooter versatile trigger options.
- Holds 6 rounds in the cylinder for reliable capacity.
- Overall length is 5.5 inches, keeping the profile compact and concealable.
- The barrel and finish feature a glass bead silver treatment for a clean, corrosion-resistant appearance.
- Equipped with a fiber optic front sight on fixed sights for fast, positive target acquisition.
- Rate of twist is 1-in-18.75 inches for consistent bullet stabilization.
- Ships at a lightweight 1.95 lbs, minimizing carry fatigue throughout the day.
The Diamondback SDR is purpose-built for shooters who demand full-caliber capability without bulk. Whether it’s riding in a holster for daily carry or serving as a dependable bedside defensive firearm, the SDR’s all-business design—fiber optic sights, smooth DA/SA trigger, and hard-hitting .357 Magnum chambering—means you’re never undergunned. Add one to your carry rotation and carry with confidence.






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