Diamondback SDR .357 Magnum, 3-inch, Polished Stainless, Compact 6-Shot DA/SA Revolver (DB0700S703)
The Diamondback SDR in .357 Magnum pairs a compact 3-inch barrel with an all-stainless, polished finish and fiber-optic sights. Built in Cocoa, Florida, this six-shot DA/SA revolver features a forged stainless frame, a fluted cylinder with star extractor, and a full-length shrouded ejector rod. The SDR line launched in 2024, with this 3-inch .357 variant added in 2025, giving buyers a modern, USA-made stainless revolver with clear, high-visibility sights.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This revolver has been maintained very well, with care evident in its overall presentation.
What’s Included
- Diamondback Firearms factory cardboard box
- Diamondback Firearms OEM zippered soft case
- Diamondback Firearms operator/owner's manual
This SDR is chambered in .357 Magnum with a six-round, fluted cylinder and also accepts .38 Special and .38 Special +P. Model and caliber markings include "SDR" and ".357 MAGNUM" on the barrel, with ".357/38" on the frame, providing clear identification for both chambering and model.
The forged stainless-steel frame, polished stainless finish, and stainless barrel and cylinder give the revolver a cohesive, corrosion-resistant build. The full-length shrouded ejector rod and star extractor support consistent ejection, while the left-side, push-forward cylinder latch provides familiar, positive operation.
High-visibility sights include an orange fiber-optic front ramp and a square-notch rear with twin green fiber-optic rods. The action is double-action/single-action with a smooth trigger and an exposed hammer. The black rubber grip features finger grooves and a pebble texture for a secure, repeatable hold.
Sized as a compact revolver with a 3-inch barrel, this configuration balances portability and shootability. Manufactured by Diamondback Firearms in Cocoa, Florida, USA, it carries the manufacturer part number DB0700S703.