Description
There's a reason the North American Arms Mini-Revolver has been a pocket gun staple for decades. The NAA-22MSC is the convertible version of NAA's .22 Magnum mini, and it ships with two cylinders: one chambered for .22 WMR and a specially lengthened .22 LR conversion cylinder that drops right into the Magnum frame. Load the Magnum cylinder when you want more punch, then swap to the .22 LR cylinder when you head to the range and want to burn through inexpensive ammo. Cylinder swaps take seconds since removing the base pin is part of the normal loading routine anyway.
Built Like a Little Tank
The whole gun is stainless steel, so sweat and pocket lint won't eat it alive the way they can with blued finishes. The laminated rosewood bird's head grips give it a classic look and settle nicely into the web of your hand, and the ribbed 1.13 inch barrel wears a fixed half-moon front sight with a notched rear. This is a single action revolver, so you cock the hammer for each shot. Simple, rugged, and about as few moving parts as a handgun can have.
Carrying the NAA-22MSC With All Five Loaded
One of the smartest features on any NAA mini is the safety notch system. There are halfway notches machined between the chambers, so the hammer can rest securely in a notch rather than on a live round. That means you can carry all five chambers loaded without the firing pin touching a cartridge rim, something old single actions never let you do.
Where This Mini-Revolver Shines
At roughly 6.2 ounces and under 5 inches long overall, this thing rides in a pocket, a boot, or a small holster without printing or dragging your waistband down. It's a popular choice as a deep concealment backup, a trail companion, or a tackle box gun, and the .22 Magnum cylinder handles everything from defensive loads to snake shot. If you want maximum versatility from a minimum footprint, the 22MSC combo is the one to grab.
Key Specifications
- Manufacturer: North American Arms
- Model: Mini-Revolver Convertible
- Manufacturer Part Number: NAA-22MSC
- UPC: 744253000232
- Caliber: .22 WMR / .22 LR (two cylinders included)
- Capacity: 5 rounds
- Action: Single Action
- Barrel Length: 1.13 inches
- Overall Length: 4.63 inches
- Weight: 6.2 oz
- Frame Material: Stainless steel
- Finish: Matte stainless
- Grips: Laminated rosewood bird's head
- Sights: Fixed half-moon front, notched rear
- Safety: Safety-notched cylinder (halfway hammer notches)
What’s Included
- NAA Mini-Revolver with .22 WMR cylinder
- .22 LR conversion cylinder
- Owner's manual
- Factory box
Frequently Asked Questions
How do I switch between the .22 Magnum and .22 LR cylinders on the NAA-22MSC?
Just remove the cylinder base pin, drop out one cylinder, and slide the other in its place. It takes a few seconds and no tools, since pulling the pin is already how you load and unload the gun. The .22 LR conversion cylinder is made slightly longer specifically to fit the Magnum-length frame.
Can I carry the NAA Mini-Revolver with all five chambers loaded?
Yes. Both cylinders have halfway notches machined between the chambers, and resting the hammer in one of those notches keeps the firing pin completely off the cartridge rims. That lets you carry a full five rounds securely, which is a big advantage over traditional single actions that require an empty chamber under the hammer.
Can the NAA-22MSC shoot snake shot?
It can. The .22 Magnum cylinder handles all popular .22 WMR loads, including .22 Magnum shot shells, often sold as snake shot. That makes this little revolver a handy companion on the trail or around the property where slithery pests show up.
Is a mini-revolver this small practical to shoot?
It takes a little practice, but yes. The single action trigger is simple and predictable, and most folks find they can put rounds where they need them at close range once they get comfortable with the small grip. The .22 LR cylinder makes range time cheap, so you can practice plenty before loading the Magnum cylinder for carry.





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