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Diamondback made a real statement with the SDR, short for Self Defense Revolver, and this 3 inch polished stainless version might be the sweet spot of the whole lineup. Chambered in .357 Magnum and happy to run .38 Special +P all day, it squeezes a sixth round into a small-frame cylinder where most guns this size stop at five. The frame, cylinder, and barrel are all forged stainless steel, yet the whole package comes in at just 23.9 ounces, so it carries easier than the all-steel construction would suggest.
Most snub-nose revolvers ship with sights that feel like an afterthought. Not here. The SDR wears a fixed orange fiber optic up front paired with a low-profile green fiber optic rear set in a dovetail, giving you a bright, fast sight picture in conditions where plain black sights disappear. The double action pull is smooth and non-stacking through its 9 to 11.5 pound range, and cocking the exposed hammer gets you a crisp single action break in the neighborhood of 3.5 pounds. That trigger, plus the extra inch of barrel over the 2 inch model, makes this one genuinely enjoyable to shoot well.
The push-button cylinder release sits right where your thumb wants it, and with the cylinder swung out, a second button lets you pull the entire cylinder and crane assembly off the gun for easy cleaning. Chamfered chambers speed up reloads, a 45 degree target crown protects the rifling at the muzzle, and the rounded, snag-free frame keeps the draw clean. The Hogue rubber grips soak up recoil nicely, and since the grip frame follows J-frame dimensions, swapping grips down the road is simple.
This one makes a lot of sense for someone who wants a single revolver to cover carry, home defense, and regular range time. The polished finish looks sharp enough to show off, the extra barrel length wrings more velocity out of magnum loads, and that sixth round is a nice bit of insurance. Built in the USA and ready to work right out of the box.
Yes. The SDR is chambered for .357 Magnum, which means it also handles .38 Special and .38 Special +P without any issue. A lot of owners practice with softer-shooting .38s and load magnums or +P defensive ammo for carry, which keeps range sessions comfortable and affordable.
The biggest difference is capacity. The SDR fits six rounds into a frame that is right in the same size class as the common five-shot small frames. It also comes standard with fiber optic front and rear sights and a smooth non-stacking trigger, features you would normally pay extra for or add later on competing revolvers. At 23.9 ounces with the 3 inch barrel, the all-steel build helps tame magnum recoil too.
With the cylinder swung open, pressing a button on the right side of the frame lets you slide the entire cylinder and crane assembly off the gun as one unit. Diamondback designed it to make deep cleaning much easier, since the cylinder is where most revolver fouling builds up. It pops back on just as quickly with no tools needed.
You can. The SDR grip frame follows standard J-frame dimensions, so it accepts the huge range of J-frame style stocks already on the market. The factory Hogue rubber grips do a fine job managing recoil, but if you want something slimmer for carry or larger for range work, you have plenty of options.
| UPC | 810035754430 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | DB0700S703 |
| Action | |
| ATF Type | Revolver |
| Barrel Finish | Polished |
| Barrel Length | 3'' |
| Caliber/Gauge | .357 Magnum |
| Capacity | 6 |
| Color | Silver |
| Length | 4.44'' |
| Magazine Included | 1 x 6-Round |
| Model | |
| Package Height | 1.7 |
| Package Width | 6.7 |
| Product Type | Double / Single Action |
| Safety | No |
| Shipping Weight | 2.2 |
| Sights | Fiber Optic |
| Sights Type | Fixed Sights |
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