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Anyone who has loaded a traditional NAA mini knows the drill: pull the cylinder pin, drop the cylinder out, reload, put it all back together. The Sidewinder does away with all that. Its cylinder swings out on a frame-mounted crane arm, just like a full-size double-action revolver, so you can eject empties and top off five rounds of .22 WMR without taking anything apart. It's a small change on paper that makes a big difference in how this little revolver lives day to day.
Most mini revolvers wear barrels close to an inch, which keeps them tiny but makes precise shots a real challenge. The SW4's 4-inch barrel stretches out the sight radius, and that alone makes it noticeably easier to put rounds where you want them. The longer tube also lets the .22 Magnum cartridge build more velocity and burns more powder before the bullet exits, so you get less muzzle flash and less blast than the stubby versions. All of that in a package that still weighs around 8.5 ounces and measures under 8 inches overall.
North American Arms machines the barrel and cylinder from solid stainless bar stock, and the fit on these little guns is consistently impressive for their size. The frame, barrel, and cylinder all carry a stainless finish that shrugs off moisture, which matters for a gun that tends to ride in a pocket or tackle box. The laminated rosewood bird's head grip gives it a classic single-action look and a surprisingly usable hold, and the snag-free fixed post front sight keeps the profile clean.
This is a single-action revolver with an exposed hammer, so operation is about as simple as it gets: cock, squeeze, repeat. It makes a great kit gun, trail companion, or backup that disappears into spaces most handguns never could. If you want to run cheaper practice ammo, NAA offers a .22 LR conversion cylinder for this frame as well, so the Sidewinder can grow with you.
The big difference is the swing-out cylinder mounted on a frame crane arm. Standard NAA minis require you to remove the cylinder pin and pull the whole cylinder out to reload, while the Sidewinder opens up like a conventional revolver and includes an extractor to kick out empties. It makes reloading much faster and less fiddly, especially with cold hands.
Not as it ships. This model is chambered for .22 WMR only, so stick with .22 Magnum ammo in the factory cylinder. North American Arms does make a .22 LR conversion cylinder for the Sidewinder platform, and the combo version with both cylinders is sold as the SWC4 if you want that flexibility from the start.
For most people, yes. The longer barrel gives you a much better sight radius, which makes accurate shots far easier than with a 1-inch mini, and the .22 WMR round picks up extra velocity while producing less muzzle flash and blast. You trade a little pocketability for a gun that's a lot more pleasant and practical to shoot.
It shines as a lightweight trail gun, tackle box companion, and deep-concealment backup. At roughly half a pound it fits places most handguns won't, and plenty of owners keep one handy for pests and snakes using .22 WMR shotshells. It's also just a fun, well-made range piece with a smooth cocking action and a light, crisp trigger.
| UPC | 744253002670 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | NAA-SW-4 |
| Action | |
| ATF Type | Revolver |
| Barrel Finish | STAINLESS |
| Barrel Length | 4" |
| Caliber/Gauge | .22 Magnum |
| Capacity | 5 |
| Package Height | 2.5 |
| Package Width | 7.0 |
| Product Type | Revolver |
| Shipping Weight | 2.75 |
| Sights | Post Front |
| Sights Type | FIXED |
| Units per Box | 1 |
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