Description
There are small carry guns, and then there is the NAA Mini-Revolver. The 22MSCP is North American Arms' magnum-frame mini with a ported 1.125 inch barrel, and it ships with two cylinders: one chambered in 22 WMR and a slightly longer conversion cylinder cut for 22 LR. Load up magnum rounds when it rides in your pocket, then swap over to budget-friendly 22 LR when you want to burn through an afternoon of practice without wincing at the ammo bill. Swapping cylinders takes seconds, no tools required beyond the base pin you already pull to load the gun.
Why the Ported Barrel Matters on This Mini-Revolver
A 22 WMR out of a gun this light has more bark than you might expect, so NAA cut functional porting into the barrel to vent gas upward and knock down muzzle flip. On a revolver that weighs in around six ounces, that little bit of help keeps the front sight settled and makes follow-up shots quicker. The whole gun is stainless steel from frame to cylinder, so sweat and pocket carry are not going to eat it alive, and the rosewood bird's head grip gives it that classic single-action look in a package barely longer than a credit card.
Carrying the NAA 22MSCP Combo Day to Day
This is a single-action revolver in the traditional sense, meaning you cock the hammer for every shot. What makes it practical to carry fully loaded is NAA's half-way notch cylinder. Rest the hammer in one of the safety notches between chambers and it sits securely off any cartridge, so a bump or drop is not a concern with all five rounds aboard. The fixed half-moon front sight is simple and snag-free, which suits a gun built for up-close defensive work, hiking pockets, and tackle boxes. The magnum cylinder also runs 22 WMR shotshells, which trail crews and gardeners appreciate for snake duty.
A Backup That Disappears
At about 4.6 inches long overall, the 22MSCP hides where nothing else will. Plenty of folks carry one as a deep-concealment backup or a just-in-case gun for the trail, and the two-cylinder setup means it earns its keep at the range too.
Key Specifications
- Manufacturer: North American Arms
- Model: 22MSCP Mini-Revolver Combo
- MPN: NAA-22MSC-P
- UPC: 744253002168
- Caliber: .22 WMR / .22 LR (two cylinders included)
- Capacity: 5 Rounds
- Action: Single Action Only
- Barrel Length: 1.125" Ported
- Overall Length: 4.63"
- Weight: Approx. 6.2 oz
- Frame Material: Stainless Steel
- Finish: Stainless
- Grips: Rosewood Bird's Head
- Sights: Fixed Half-Moon Front
- Safety: Half-Way Notch Cylinder
What’s Included
- NAA 22MSCP Mini-Revolver
- .22 WMR cylinder
- .22 LR conversion cylinder
- Owner's manual
Frequently Asked Questions
How do you swap between the 22 WMR and 22 LR cylinders on the 22MSCP?
It works the same way you load the gun. Pull the base pin, drop the cylinder out of the frame, set the other cylinder in its place, and reinsert the pin. No tools needed, and the included 22 LR conversion cylinder is built slightly longer so it fits the magnum frame correctly.
Is it safe to carry the NAA Mini-Revolver with all five chambers loaded?
Yes, as long as you use the half-way notch system. Each cylinder has safety notches cut between the chambers, and resting the hammer in one of those notches keeps it locked away from any live round. Carried that way, the gun cannot fire from a drop or a bump, so there is no need to leave a chamber empty.
What does the ported barrel on the 22MSCP do?
The porting vents gas upward at the muzzle to reduce flip when the gun fires. On a revolver this light running 22 WMR, that makes recoil noticeably more manageable and helps you get back on target faster. It is the main difference between this model and the standard non-ported combo.
Can this mini-revolver fire 22 WMR shotshells?
It can. The magnum cylinder handles all common 22 WMR loads, including the shotshell rounds some brands sell as snake shot. That makes it a handy companion for yard work, hiking, and fishing trips where snakes are a concern.





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