Description
The M&P FPC has been one of Smith & Wesson's biggest hits in recent years, and chambering it in 5.7x28mm might be the smartest move yet for the platform. The 5.7 cartridge was practically made for a carbine like this. Out of the 16.25 inch barrel you get more velocity than any pistol can squeeze out of it, with recoil so light it almost feels like a rimfire. Pair that with a 22+1 capacity and you have a genuinely fun range gun that also makes a lot of sense stashed in a truck or closet for when you need it.
Folds in Half, Ready in Seconds
The FPC's signature side-folding design takes the carbine from about 30.4 inches down to roughly 16.4 inches, and because it folds horizontally, your optic stays put and stays zeroed. The folding mechanism doubles as a locking latch so it rides secure in a bag or behind a seat. The buttstock has built-in storage for two spare magazines, which means you can carry 66 rounds on the gun itself without any extra pouches.
Familiar M&P 5.7 Ergonomics
If you already own an M&P 5.7 pistol, this carbine will feel like home. It uses the same grip, a crisp flat-face trigger, and it feeds from the same magazines, so your pistol mags work here and vice versa. The blowback action gets help from an integrated recoil buffer system that smooths out the impulse, and 5.7×28 was mild to begin with. QD sling sockets on the stock and handguard make it easy to set up for carry.
Set Up the FPC 5.7 Your Way
A full-length Picatinny top rail handles red dots, LPVOs, or whatever glass you prefer, while M-LOK slots on the handguard take care of lights and hand stops. The muzzle comes threaded 1/2×28 with a thread protector installed, so adding a suppressor or muzzle device is painless. Smith & Wesson includes three 22-round magazines and a magazine loading tool in the box, so you are ready for the range from day one.
Key Specifications
- Manufacturer: Smith & Wesson
- Model: M&P FPC 5.7
- MPN: 14169
- UPC: 022188903829
- Caliber: 5.7x28mm
- Action: Semi-Auto Blowback
- Capacity: 22+1
- Barrel Length: 16.25"
- Muzzle Thread: 1/2×28, thread protector included
- Overall Length (Unfolded): 30.4"
- Folded Length: 16.4"
- Trigger: Flat-face trigger
- Handguard: M-LOK with full-length Picatinny top rail
- Stock: Side-folding with dual spare magazine storage
- Sights: None, optics ready
- Finish/Color: Black
What’s Included
- Smith & Wesson M&P FPC 5.7x28mm carbine
- Three 22-round magazines
- Magazine loading tool
- Thread protector (installed)
- Owner's manual
Frequently Asked Questions
Does the M&P FPC 5.7 use the same magazines as the M&P 5.7 pistol?
Yes, that is one of the best parts of this setup. The FPC 5.7 feeds from the same magazines as Smith & Wesson's M&P 5.7 pistol, so everything is interchangeable between the two. It ships with three 22-round mags, and the stock stores two spares onboard.
How small is the FPC 5.7 when folded, and will folding it mess with my optic's zero?
Folded, it measures right around 16.4 inches, down from about 30.4 inches deployed. Because it folds sideways rather than over the top, your optic never touches anything and holds zero just fine. The fold mechanism also locks the gun closed for secure transport.
Can I run a suppressor on the M&P FPC 5.7x28mm?
Yes. The 16.25 inch barrel comes threaded 1/2×28 with a thread protector, which covers most 5.7-compatible cans and muzzle devices. A suppressor pairs really well with this cartridge out of a carbine-length barrel, cutting the sharp blast 5.7 is known for down to a very comfortable level.
Does the FPC 5.7 come with sights?
No iron sights are included, but the full-length Picatinny top rail makes mounting an optic quick and simple. Most owners drop a compact red dot on it and call it a day, though there is plenty of rail space for a magnified optic if you want to stretch the 5.7 round out further.







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