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Diamondback SDR Revolver 357 Mag 2 Barrel 6-Round Black Nitride Black

$749.00

Diamondback Sdr Revolver 357 Mag 2 Barrel 6-Round Black Nitride Black — A compact, durable 6-shot .357 Magnum revolver for personal defense. Features a robust black nitride finish. Ships from Wichita, KS.

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Kansas Gunshop is a Wichita, KS-based retailer specializing in firearms and FFL transfers. The Diamondback SDR Revolver 357 Mag 2 Barrel 6-Round Black Nitride Black is a compact, robust choice for personal defense. Its black nitride finish offers enhanced durability. Available now at Kansas Gunshop for $749.0.

Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.

Last updated: April 2026

What are the key specifications for the Diamondback SDR Revolver?

When you’re looking at a revolver for personal defense or even just as a reliable sidearm, the details matter. The Diamondback SDR in .357 Magnum, with its 2-inch barrel and black nitride finish, presents a specific set of features that are worth noting. It’s built for compact carry and quick deployment, which means certain design choices are prioritized. From the cylinder capacity to the overall dimensions, every aspect contributes to its intended role. This isn’t a range plinker built for competition, but a serious tool for serious situations.

Product TypeRevolver
MaterialSteel Frame, Black Nitride Finish
ManufacturingCNC Machined Components
FinishBlack Nitride
Hardness/QualityDurable, Corrosion Resistant
Compatibility.357 Magnum / .38 Special
Installation/UsageReady to use, Standard Revolver Operation
WeightApprox. 21 oz (unloaded)
DimensionsOverall Length: Approx. 6.75 inches; Barrel Length: 2 inches
Country of OriginUSA
ConditionNew
SKUSDR357BNB

What makes the Diamondback SDR a compelling choice?

  • Compact Design: The 2-inch barrel makes this Diamondback SDR Revolver 357 Mag 2 Barrel 6-Round Black Nitride Black highly concealable, ideal for everyday carry. It’s small enough to fit comfortably in various holsters without printing excessively.
  • .357 Magnum / .38 Special Versatility: The ability to chamber both .357 Magnum and .38 Special rounds offers flexibility. You can train with less expensive and softer-shooting .38 Special, then carry with the potent .357 Magnum for defense.
  • 6-Round Capacity: Many compact revolvers are limited to 5 rounds. The extra round in the cylinder provides a slight advantage in a critical situation.
  • Black Nitride Finish: This finish isn’t just for looks. It provides excellent corrosion resistance and increased surface hardness, meaning the revolver will hold up better to holster wear and environmental exposure, especially important for a carry gun.
  • Double Action/Single Action (DA/SA): Offers the choice of a long, deliberate double-action pull for safety or a crisp single-action pull for more precise shots, if the situation allows.
  • Reliability: Revolvers are inherently reliable, and the SDR maintains this reputation. Fewer moving parts mean less to go wrong when it counts.

Who is this Diamondback SDR Revolver for?

  • Buy it if: You need a compact, reliable personal defense firearm that can handle powerful .357 Magnum rounds. It’s a solid choice for concealed carry permit holders looking for a robust and durable revolver. If you appreciate the simplicity and dependability of a revolver over a semi-automatic, and want that extra round capacity, this fits the bill. It’s also a good option for those who prefer the versatility of shooting both .38 Special and .357 Magnum.
  • Skip it if: You prioritize high capacity (look at our semi-automatic pistols for options with 10+ rounds). If you’re highly recoil-sensitive, the .357 Magnum out of a 2-inch barrel can be stout; consider a larger frame revolver or a 9mm pistol for softer shooting. If you’re looking for a dedicated target or hunting revolver, the short barrel and compact sights might not be ideal (see our larger frame revolvers).

How does the Diamondback SDR compare to other revolvers?

When considering a compact .357 Magnum revolver, there are a few common alternatives. Here’s a quick look at how the Diamondback SDR stacks up.

FeatureDiamondback SDRBudget Compact Revolver (e.g., Charter Arms Undercover)Premium Compact Revolver (e.g., S&W J-Frame)
MaterialSteel FrameAluminum Frame / Steel CylinderSteel / Scandium Frame
QualitySolid, Durable ConstructionFunctional, Entry-LevelRefined, High-End
Compatibility.357 Mag / .38 Spl.38 Spl (most models).357 Mag / .38 Spl
ShippingSame-day from Kansas GunshopVaries by retailerVaries by retailer
Lifespan/DurabilityExcellent with Nitride FinishGood for occasional useExcellent, built for heavy use
Price~$749.0~$400-500~$800-1000+

The Diamondback SDR positions itself as a robust, all-steel option that offers a step up in durability and capacity from many budget aluminum-frame revolvers, while often coming in at a more accessible price point than some of the premium scandium-frame options. Its black nitride finish is a significant advantage for wear and corrosion resistance compared to standard blued or stainless finishes on some competitors.

Watch: Diamondback SDR Black Nitride – Quick Take –

Frequently Asked Questions about the Diamondback SDR Revolver

What ammunition can the Diamondback SDR Revolver use?

The Diamondback SDR Revolver is chambered for .357 Magnum, which also means it can safely and effectively fire .38 Special ammunition. This provides versatility for training and self-defense.

How many rounds does the Diamondback SDR hold?

This Diamondback SDR Revolver 357 Mag 2 Barrel Black Nitride Black model has a 6-round cylinder capacity, offering one more round than many other compact revolvers on the market.

Is the Diamondback SDR Revolver good for concealed carry?

Yes, with its 2-inch barrel and compact frame, the Diamondback SDR Revolver is designed to be an excellent option for concealed carry. The black nitride finish also adds to its durability against holster wear.

What is the benefit of a black nitride finish?

The black nitride finish on the Diamondback SDR Revolver provides enhanced corrosion resistance, increased surface hardness, and a durable, non-reflective black appearance. This makes it more resistant to wear and environmental elements than standard bluing.

What is the overall length of the Diamondback SDR Revolver?

The Diamondback SDR Revolver with a 2-inch barrel has an approximate overall length of 6.75 inches, making it very compact and easy to handle.

Where can I buy revolvers online?

You can purchase revolvers and other firearms online at Kansas Gunshop (kansas-gunshop.com). We offer a selection of firearms, and all FFL transfers are handled in compliance with federal and state laws.

What is the weight of the Diamondback SDR Revolver?

The Diamondback SDR Revolver weighs approximately 21 ounces when unloaded. This weight contributes to its shootability while remaining light enough for comfortable daily carry.

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