Smith & Wesson M&P FPC 9mm 16.25in Folding Carbine (3x10rd)
About this product
The Smith & Wesson M&P FPC is a 9mm folding pistol-caliber carbine designed for compact transport and rapid deployment, built to share magazines and controls with the popular M&P pistol series. This carbine bridges the gap between a full-size rifle and a concealed handgun, offering a 16.25-inch barrel for improved ballistic performance while maintaining a folded length under 16.5 inches. Its blowback action and optics-ready platform make it a straightforward option for shooters prioritizing logistical simplicity and a small footprint for vehicle or secure storage.
What is the Smith & Wesson M&P FPC used for?
The M&P FPC is primarily a compact, trunk-ready carbine for home defense, vehicle security, or as a training tool that shares ammo and magazines with your M&P pistol. Its folding mechanism reduces its storage footprint to just over 16 inches, allowing it to fit in compact spaces like a vehicle safe or discreet carry bag. The 16.25-inch barrel provides a meaningful velocity increase over a typical 4-inch handgun barrel, translating to more reliable terminal performance and a longer sight radius for improved practical accuracy, especially when paired with a red dot sight on its full-length top rail.
How does the Smith & Wesson M&P FPC compare to the Ruger PC Carbine?
The M&P FPC is better for rapid, ultra-compact storage, while the Ruger PC Carbine is a more robust, modular platform for customization. The FPC's key advantage is its side-folding stock which collapses to 16.38 inches without removing the optic, whereas the Ruger must be takedown-separated to achieve a similar length, a process that takes approximately 45 seconds and requires re-zeroing optics. However, the Ruger PC Carbine offers a far wider aftermarket, interchangeable magazine wells for Glock or SR-Series mags, and generally handles +P ammunition with less perceived recoil due to its heavier, non-folding receiver design.
What does it weigh and what are the dimensions?
Unloaded, the M&P FPC weighs 5 pounds (80 ounces or 2.27 kilograms), with an unfolded overall length of 30.37 inches and a folded length of 16.38 inches. The barrel is a cold hammer-forged 4140 steel barrel measuring 16.25 inches with a 1:10-inch right-hand twist rate, housed under a polymer M-LOK handguard that is 13.5 inches long. The fixed polymer stock has a length of pull of 14.5 inches, which is comparable to many full-size rifles but non-adjustable, a potential fit issue for shooters with very long or short arms who might prefer an adjustable platform like the Stevens 334 Rifle.
Who is this NOT for?
This carbine is not ideal for shooters who demand a highly customizable rifle platform or who prioritize shooting high volumes of +P or defensive ammunition. The blowback action is simple but generates sharper felt recoil than a delayed-blowback or gas-operated system, and the polymer construction, while durable for its role, lacks the heft and mounting points for significant accessory weight. If your primary use is competitive shooting, hunting, or you require a takedown design that fits into a backpack rather than just folding, a platform like the aforementioned Ruger PC Carbine or a traditional bolt-action in a rifle caliber would be a more suitable investment.
What's in the box?
You receive the carbine, three 10-round magazines, a low-profile carry bag with securing straps, and the standard M&P grip kit with interchangeable palm-swell inserts (small, medium, large). The magazines store internally within the buttstock, a feature that saves time fumbling for mags in a bag and adds approximately 12 ounces to the rear weight, aiding balance. The box does not include any optic, sling, or tools beyond the hex key for adjusting the interchangeable backstraps, so factor in an additional $150-$400 for a quality red dot and mounting solution.
Is the Smith & Wesson M&P FPC worth it at $647.99?
At $647.99, the M&P FPC presents solid value if your specific need is a compact, optics-ready 9mm carbine that shares magazines with an existing M&P handgun. The included three magazines and carry bag represent about a $120 value, effectively bringing the firearm's cost closer to $530. For a shooter building a dedicated home defense system around the M&P ecosystem, the logistical synergy and rapid-deployment folding design justify the price. However, if you do not own M&P pistols or desire a more versatile, softer-shooting carbine, the price difference to a base-model Ruger PC Carbine is minimal, and that platform may offer better long-term utility.
Specs at a glance
Video review
Pros & cons
What works
- Folds to 16.38 inches — collapses smaller than most takedown rifles without losing optic zero.
- Includes three 10-round magazines ($90 value) and a dedicated carry bag.
- Shares magazines and controls with M&P pistols — cuts training and gear logistics in half.
- Weighs 5 lbs unloaded — manageable for prolonged off-hand shooting or for smaller-statured shooters.
Trade-offs
- Fixed 14.5-inch length of pull — not adjustable for different body sizes or winter clothing.
- Blowback action — generates sharper felt recoil than delayed-blowback systems like the CMMG Banshee.
- Polymer handguard — limits mounting options for heavy lights/lasers and can heat up during sustained fire (60+ rounds).
- Non-ambidextrous safety — right-hand only; lefties must adapt or seek aftermarket modification.
Expert review
Key attributes
| upc | 022188894929 |
| manufacturer | Smith & Wesson / S&W |
| manufacturer part number | 12576 |
| action | Semi-Auto |
| atf type | MODERN SPORTING RIFLE |
| barrel finish | Black Oxide |
| barrel length | 16.25'' |
| caliber/gauge | 9mm |
| capacity | 10+1 |
| color | Black |
| length | 24.4000 |
| magazine included | 3 x 10-Round |
| model | M&P FPC |
| number of magazines | 3 10 rd. |
| package height | 4.8 |
| package width | 11.3 |
| product type | Carbine |
| shipping weight | 8.8 |
| sights | No |
| state restriction (guam) | NO SALE TO GUAM |
| state restriction (il) | NO SALE TO ILLINOIS PICA |
| state restriction (pr) | NO SALE TO PUERTO RICO |
| state restriction (vi) | NO SALE TO VIRGIN ISLANDS |
| state restriction (wa) | NO DIRECT SHIP TO WASHINGTON |
| thread pattern | 1/2"-28 tpi |
Frequently asked questions
- Is it compatible with M&P 2.0 pistol magazines?
- Yes, it is fully compatible with all Smith & Wesson M&P 9mm 17-round and 15-round magazines, as well as the included 10-rounders. The magazine release is identical to the pistol's, ensuring manual of arms consistency. Note that using longer magazines may interfere with the in-stock storage, which is designed for the flush-fit 10 and 17-round magazines.
- Does it fit in a standard 16-inch rifle case?
- When folded, yes. The folded length of 16.38 inches will fit diagonally or with minimal compression in most standard 16-inch tactical rifle cases. For a perfect fit, look for a case with internal dimensions of at least 17.5 inches in length to accommodate the folded carbine with the charging handle and muzzle device clear of the case walls.
- How long does shipping take to an FFL?
- Ironclad Armory processes in-stock items like the M&P FPC within 1 business day. Ground shipping transit time to most Continental US FFLs is 3-7 business days. You must contact your chosen FFL dealer to provide their license information to us before we can ship. Always confirm your FFL's acceptance policies before ordering.
- Can I return it if there's a mechanical defect?
- Yes, Ironclad Armory facilitates returns directly to Smith & Wesson for any firearm with a verified mechanical defect. This process is typically initiated within the first 30 days of purchase. The firearm must not be altered, and all original packaging and components must be returned. You will need a return authorization number from our customer service team before shipping.
- Does this work with a suppressor?
- It can, but requires planning. The barrel threads are standard 1/2x28, compatible with most 9mm pistol suppressors. However, the handguard diameter may not clear a larger diameter suppressor. You will need to verify your specific suppressor's outer diameter clears the inside of the 1.5-inch internal diameter handguard, or plan to use a barrel extension or direct-thread mount that positions the suppressor beyond the handguard.
- Is the top rail Mil-Spec 1913 Picatinny?
- Yes, the full-length top rail is a standard Mil-Spec 1913 Picatinny rail with proper slot spacing and anodizing. It will securely mount any red dot sight, magnifier, or scope with a quality Mil-Spec mounting base. I recommend torquing mount screws to 15-18 in/lbs for a secure, repeatable zero.