Meet the Diamondback SDR 3″ Revolver: A Compact .357 That Packs a Punch [Video]

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Join Cody St. John for a closer look at the Diamondback Firearms SDR 3” Revolver, a compact powerhouse chambered in .357 Magnum / .38 Special +P! This stainless steel snub-nose revolver features a 3-inch barrel and a familiar J-frame grip, making it compatible with your favorite aftermarket options.

🔹 Six-shot cylinder
🔹 Compatible with K6 speed loaders
🔹 Fiber optic front sight for fast target acquisition
🔹 Push-button cylinder release and crane lock system – easy to clean and maintain

Whether you’re looking for a reliable EDC wheelgun or a sleek range toy, the SDR 3” offers performance, versatility, and style in one impressive package.

👉 Check out the video and see why this revolver is turning heads in the firearms world!

The Diamondback SDR 3” in .357 Magnum – stainless steel meets modern firepower

Diamondback SDR 3″ Revolver Specs:

Feature	Details
Manufacturer	Diamondback Firearms
Model	SDR (Snubnose Defense Revolver)
UPC	810035754430
Manufacturer Part Number (MPN)	DB0700S703
Barrel Length	3 inches
Overall Length	7.71 inches
Weight (Unloaded)	23.9 oz
Caliber	.357 Magnum / .38 Special +P
Capacity	6 rounds
Frame Material	Forged Stainless Steel
Frame Finish	Polished Stainless Steel
Grip Type	Hogue Black Monogrip (J-frame compatible)
Sights	Fiber Optic Front (Orange), Fixed Rear (Green)
Action Type	Double-action / Single-action
Trigger Pull	9–11.5 lbs (non-stacking)
Cylinder Release	Push-button with crane lock

*Shown with a J-frame grip – customize your SDR with your favorite aftermarket options*

Built Tough, Shoots Smooth: The SDR 3’s Key Features

Whether you’re a seasoned revolver shooter or someone looking to add a reliable sidearm to your carry rotation, the Diamondback SDR 3” hits the sweet spot. It’s built tough, shoots smooth, and brings innovation to a classic platform.

It’s perfect for:

Everyday carry
Range days
Home defense
Revolver collectors

Carrying comfort meets power – the SDR 3" is compact enough for concealed carry — *Carrying comfort meets power – the SDR 3″ is compact enough for concealed carry*

What Caliber is the SDR 3” Revolver Chambered In?

The SDR 3″ comes in .357 Magnum, which also accepts .38 Special, making it versatile for both training and defense.

Precision machining and polished stainless finish – built tough, built to last.options — *Precision machining and polished stainless finish – built tough, built to last*

Is the Diamondback SDR 3” Revolver Good for Concealed Carry?

While slightly larger than a traditional snub-nose, the 3-inch barrel provides better accuracy and recoil control without being too bulky. Paired with the J-frame grip, it’s a solid choice for concealed carry, especially if you prefer revolvers.

*Cylinder open and ready – the push-button release and crane lock make maintenance a breeze*

The Diamondback SDR 3″ Revolver is proof that snub-nose revolvers can be both practical and innovative. With its smart design, shooter-friendly features, and classic styling, it’s ready to earn a place in your holster—or your safe.

Shop Diamondback SDR 3″