Description
The Diamondback SDR 357 Black Nitride is the low-glare version of Diamondback’s six-shot Self Defense Revolver. This model (DB0700S001) has a 2 inch barrel, a steel frame and cylinder in a black nitride finish, and it is chambered for 357 Magnum while also accepting 38 Special and 38 Special +P.
Diamondback SDR 357 Black Nitride Overview
Diamondback built the SDR to answer a simple question: why should a small defensive revolver hold only five rounds? The SDR holds six, weighs about 21.2 ounces and measures 6.53 inches overall, with a 1:18.75 barrel twist. Sights are a fiber optic front and a dovetailed fiber optic rear, which are much quicker to pick up than the shallow trough sights found on many small-frame revolvers. The trigger works double action or single action, and black rubber grips with the DB logo help manage recoil.
Black Nitride Finish
Black nitride is a hardened surface treatment, not a paint or coating, so it resists wear and corrosion well and will not chip or flake. The matte black look reflects little light and shows less holster wear than polished stainless. It is a good match for a gun that will live in a holster, a vehicle or a nightstand, where a low-profile finish is preferred.
Choosing Your Ammunition
The 357 Magnum chambering gives you flexibility. Full-power 357 loads from a 2 inch barrel produce stiff recoil, loud report and a big muzzle flash, which can be disorienting indoors. Many owners carry a 38 Special +P defensive load, which this revolver is rated for, and practice with standard 38 Special to keep costs and fatigue down. Whatever you choose, shoot enough of your carry load to know you can control it.
Trigger and Safety
The double action pull is heavy and long, as on all defensive revolvers, and Diamondback designs it to stay smooth without stacking near the end. Cocking the hammer gives a light single action pull for careful shots. An internal transfer bar keeps the hammer from contacting the firing pin unless the trigger is pulled fully to the rear, and there is no external safety to remember under stress.
Carrying a Six-Shot Snub
At just over 21 ounces, this revolver is heavier than alloy pocket guns but far easier to shoot. It rides well in a belt holster or a sturdy IWB rig. The six-round cylinder is wider than a five-shot J-frame, so you will need a holster made for the SDR or a comparable six-shot small frame. Carry a speed strip or compatible speedloader and practice reloading under time pressure.
Value and Ownership
Diamondback is a Florida maker better known for pistols and AR-15s than for revolvers, and the SDR is its first wheelgun. It offers six rounds, fiber optic sights and all-steel construction at a value price. Long-term resale and aftermarket support are not yet as strong as for legacy revolver brands, so buy it to shoot rather than as an investment.
State Laws and Ownership
Diamondback promotes the SDR line as compliant in some restrictive states, but approved roster listings can differ by finish and model number. Confirm that this black nitride model is approved where you live before ordering, and review local laws on carrying a handgun.
Specifications
- Manufacturer: Diamondback Firearms
- Model: SDR, DB0700S001
- UPC: 810035754423
- Caliber: 357 Magnum, also 38 Special and 38 Special +P
- Action: Double action / single action revolver
- Capacity: 6 rounds
- Barrel: 2 in., 1:18.75 twist
- Overall length: 6.53 in.
- Weight: 21.2 oz
- Frame and cylinder: Steel
- Finish: Black nitride
- Grips: Black rubber with DB logo
- Sights: Fiber optic front, dovetailed fiber optic rear
Before You Buy
Federal law requires handgun buyers to be 21 or older when purchasing from a licensed dealer, and every sale ships to your local FFL for a background check and transfer.
Who It Is For
The Diamondback SDR 357 Black Nitride is a great fit for anyone who wants a six-shot snub-nose 357 with a low-glare finish for home defense, belt carry or a vehicle gun.
Buy the Diamondback SDR 357 Black Nitride at MAG5 Firearms
MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the Diamondback SDR 357 Black Nitride online and ship it to your local FFL dealer, or browse our full selection of firearms for more revolvers. For factory details, visit Diamondback Firearms.
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