Description
Smith & Wesson took the folding carbine concept that made the original FPC a hit and scaled it down to .22 LR, and the result is one of the most practical rimfire rifles to come along in a while. The side-folding design cuts the overall length from about 30.4 inches down to roughly 16.4 inches, small enough to slip into a backpack or stash in a truck. Better yet, the hinge folds to the side rather than over the top, so whatever red dot or scope you mount on the Picatinny rail stays put and holds zero. At around 5 pounds, it carries easy all day.
Familiar M&P Feel in a Rimfire Package
If you have spent time behind an M&P pistol, this carbine will feel like home. The grip is pulled straight from the M&P line and comes with interchangeable backstraps so you can dial in the fit. The flat-face trigger breaks clean, the magazine catch is reversible for lefties, and the crossbolt safety keeps operation simple. That familiarity makes it a natural trainer, and the mild .22 LR recoil makes it a great first rifle for newer folks too.
Smart Storage and a Suppressor-Ready Barrel
The stock has built-in slots that hold two spare 20-round magazines with a quick-release tab system, so you carry 60 rounds on the gun without pouches or pockets. The 16.25 inch barrel wears 1/2×28 threads under a protector, which pairs perfectly with a rimfire can if you want to keep things quiet at the range. M-LOK slots on the free-float handguard handle lights and other accessories, and the optics-ready top rail is where you will want to mount a dot since it ships without iron sights.
Cleaning the M&P FPC 22LR Without a Toolbox
Field-stripping is handled entirely with the grip tool stored in the gun itself, no separate tools required. That matters with a .22, since rimfire ammo runs dirty and regular cleaning keeps things cycling smoothly. Between the takedown simplicity, the folding footprint, and cheap ammo, this is the kind of rifle that gets shot a lot instead of sitting in the safe.
Key Specifications
- Manufacturer: Smith & Wesson
- Model: M&P FPC
- MPN: 14171
- UPC: 022188901580
- Caliber: .22 LR
- Action: Semi-Auto
- Capacity: 20+1
- Barrel Length: 16.25"
- Thread Pattern: 1/2×28, thread protector included
- Overall Length (Unfolded): 30.375"
- Overall Length (Folded): 16.375"
- Weight: Approx. 5 lbs
- Handguard: Free-float M-LOK with Picatinny top rail
- Stock: Side-folding polymer with onboard magazine storage
- Safety: Crossbolt
- Sights: None, optics ready
What’s Included
- Smith & Wesson M&P FPC 22LR carbine
- Three 20-round magazines
- Thread protector
- Interchangeable grip backstraps
- Integrated grip takedown tool
- Owner's manual
Frequently Asked Questions
Does folding the M&P FPC 22LR mess with a mounted optic?
No, and that is one of the best parts of this design. The carbine folds from the side rather than over the top rail, so your red dot or scope never gets touched during folding. Owners consistently report their optics hold zero through repeated folding and unfolding.
Is the FPC 22LR barrel threaded for a suppressor?
Yes, the 16.25 inch barrel is threaded in the standard 1/2×28 pattern and ships with a thread protector installed. That thread pitch matches the vast majority of rimfire suppressors on the market. A quiet .22 can makes this carbine an absolute joy for backyard-style plinking sessions at the range.
Does the M&P FPC 22LR come with sights?
No iron sights are included on this model. It has a Picatinny-style rail on top of the handguard, so plan on adding a red dot or a compact scope. Most buyers pair it with a budget-friendly micro red dot and are up and running in minutes.
How many magazines come with the M&P FPC 22LR and where do the spares go?
It ships with three 20-round magazines from the factory. Two of them ride in dedicated storage slots built into the folding stock, held in place by a quick-release tab system. That means you can grab the carbine with a full 60 rounds aboard and nothing extra to carry.





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