Diamondback SDR 3in 6rd Two-Tone Revolver

The Diamondback SDR 3in 6rd Two-Tone Revolver is a compact six-shot revolver built for straightforward carry and reliable performance. With a 3-inch barrel, two-tone black nitride over stainless steel finish, and fixed fiber optic sights, it offers a no-nonsense package for shooters who value simplicity and durability.

Specs

Manufacturer	Diamondback
Model	SDR
Material	Stainless steel with black nitride finish
Compatibility	.357 Magnum / .38 Special +P
Finish	Two-tone: black nitride cylinder/barrel, stainless frame
Weight	24 oz (per manufacturer specs)
Condition	New

Key Features

• 3-Inch Barrel – Balances concealability with sight radius for accurate shots. Why it matters: You get a compact revolver that’s easy to carry but still delivers a stable aiming platform.
• Two-Tone Black Nitride Finish – Resists corrosion and wear while giving a sharp look. Why it matters: This finish holds up to daily carry and harsh weather, so your revolver stays looking good and functioning longer.
• Double/Single Action Trigger – Smooth DA pull for defensive use, crisp SA for precision. Why it matters: You can shoot fast in double action or take precise single-action shots at the range—versatility in one trigger.
• Fixed Fiber Optic Front Sight – Bright front dot for quick target acquisition. Why it matters: In low light or fast drills, that fiber optic helps you get on target faster than plain iron sights.
• Synthetic Rubber Grip – Absorbs recoil and provides a secure hold. Why it matters: Even with hot .357 loads, the grip keeps your hand comfortable and your control steady.

Who It’s For

This revolver is for recreational shooters who want a reliable, easy-to-maintain piece for the range or as a backup. First-time buyers will appreciate the straightforward double/single action—no manual safety to fumble with, just point and shoot. It also suits anyone looking for a compact revolver that’s not too heavy for all-day carry.

Pros & Cons

• Pros: Simple operation, durable two-tone finish, good balance of size and accuracy, fiber optic front sight for quick aiming.
• Cons: The fixed sights aren’t adjustable for windage or elevation—something to note if you’re a precision shooter. Also, the 6-round capacity is standard for a snubby but less than many modern semi-autos.

Comparison

Feature	Diamondback SDR 3in	Zev Technologies OZ9	Agency Arms AOS Glock 19
Action	Double/Single Action Revolver	Striker-Fired Semi-Auto	Striker-Fired Semi-Auto
Capacity	6 rounds	15+ rounds	15+ rounds
Barrel Length	3 inches	4.5 inches	4.02 inches
Weight	24 oz	22 oz	21 oz
Trigger	DA/SA revolver	Flat-face trigger	Drop-in trigger
Best For	Revolver fans, backup carry	Competition/tactical shooters	Duty/self-defense

FAQ

What caliber does the Diamondback SDR 3in 6rd Two-Tone Revolver shoot?

It shoots .357 Magnum and .38 Special +P rounds. You can use both interchangeably, though .38 Special is milder for practice.

Is the Diamondback SDR safe for concealed carry?

Yes. The 3-inch barrel and 24-ounce weight make it easy to carry in a holster or pocket. The double-action first pull also adds a layer of safety—no external safety to forget.

How do I clean the two-tone finish?

Use standard gun cleaning solvents and a soft cloth. The black nitride is tough, but avoid abrasive pads that could scratch the stainless frame.

Does this revolver come with a factory warranty?

Per Diamondback’s specs, it includes a limited lifetime warranty for the original owner. Check with them for full details.

Ready to Buy?

The Diamondback SDR 3in 6rd Two-Tone Revolver is available now at $735.51. Add it to your cart for a reliable, no-fuss revolver that’s built to last. Also check our ammunition and holsters to complete your setup.

• ✅ Nationwide delivery (all 50 states)
• ✅ Ships 1-2 business days
• ✅ 30-day returns
• ✅ Secure checkout

Last updated: April 2026