Description
There's small, and then there's the NAA Mini-Revolver. At 4.75 inches long and roughly 5.9 ounces unloaded, this five-shot .22 Magnum disappears into a pocket, a jacket, or a pack pouch without a second thought. North American Arms has been building these little single-actions in Provo, Utah for decades, and the .22 WMR frame is the one that made them famous. This version adds one smart upgrade: a ported barrel with three ports machined into each side, venting gas upward to counter the snappy muzzle flip that .22 Magnum produces out of a short tube. On a gun this light, that porting makes a real difference in how quickly you get back on target.
Built Like a Real Revolver, Just Smaller
Don't let the size fool you into thinking this is a novelty. The barrel is machined from 17-4 stainless bar stock with proper 1-in-12 twist rifling, the frame and cylinder are stainless steel, and the fit and finish hold up next to guns several times the price. Laminated rosewood bird's head grips give your hand something to hang onto, and the fixed half-moon front sight keeps the profile snag-free. The cylinder chambers are recessed, and the whole package runs any popular .22 Magnum load, including shotshells for pests at arm's length.
Carrying the NAA Mini Safely
NAA's half-way notch cylinder is the feature that makes these minis practical. Between each chamber there's a safety notch cut into the cylinder, so the hammer nose rests locked between rounds rather than on a live primer. That means you can carry all five chambers loaded without worrying about a drop setting one off. It's a simple, proven system that's been part of the design from the start.
Why the Ported .22 Mag Mini-Revolver Earns Its Spot
This is a deep-concealment backup, a tackle box companion, and a just-in-case gun that you'll never leave home because of weight or bulk. Plenty of full-size handguns stay in the safe. This one goes everywhere.
Key Specifications
- Manufacturer: North American Arms
- Model: Mini-Revolver Ported Snub
- MPN: NAA-22MS-P
- UPC: 744253002151
- Caliber: .22 WMR (.22 Magnum)
- Capacity: 5 Rounds
- Action: Single Action
- Barrel Length: 1.13" (1 1/8") Ported
- Barrel Material: 17-4 Stainless Steel
- Overall Length: 4.75"
- Unloaded Weight: 5.9 oz
- Frame: Stainless Steel
- Finish: Stainless
- Grips: Laminated Rosewood Bird's Head
- Sights: Fixed Half-Moon Front
- Safety: Half-Way Notch Cylinder
What’s Included
- NAA Mini-Revolver .22 WMR with ported 1.13" barrel
- Owner's manual
Frequently Asked Questions
What does the ported barrel on this NAA Mini-Revolver do?
The barrel has three ports machined into each side near the top that vent gas upward when you fire. On a gun weighing under six ounces, .22 Magnum produces noticeable muzzle flip, and the porting helps push the muzzle back down. The result is a mini that stays flatter and gets back on target faster than the non-ported version.
Is it safe to carry the NAA Mini-Revolver with all five chambers loaded?
Yes, thanks to the half-way notch system. The cylinder has safety notches cut between each chamber, so the hammer nose rests locked in a notch instead of on a live round. Just make sure the hammer is properly seated in a notch when you load up, and the gun can be carried fully loaded without risk of a drop-fire.
Can this .22 Magnum mini shoot .22 LR ammo?
Not with the cylinder it ships with. This model, NAA-22MS-P, comes with the .22 WMR cylinder only. NAA does offer a .22 LR conversion cylinder sized to fit the Magnum frame, so you can add one later for cheaper practice ammo, or look at NAA's convertible combo models if you want both from the start.
How do you load and unload the NAA Mini-Revolver?
The cylinder comes out of the frame for loading. You pull the spring-loaded cylinder pin, remove the cylinder, load your five rounds, then reinstall it and set the hammer in a safety notch. It's slower than a swing-out cylinder, but for a gun designed as a deep-concealment backup, it's a fair trade for the tiny footprint.





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