Smith & Wesson M&P FPC 5.7 (2026): Specs, Features, and Folding Carbine Overview [Video]

The Smith & Wesson M&P FPC platform expands for 2026 with a new chambering: 5.7x28mm. Known for its compact folding design and compatibility with M&P pistol magazines, the FPC has become a popular option for shooters looking for a lightweight, portable carbine.

In this video, Smith & Wesson introduces the M&P FPC 5.7, highlighting its folding configuration, magazine compatibility, and new updates to the platform.

What Is the Smith & Wesson M&P FPC 5.7?

The Smith & Wesson M&P FPC 5.7 is a folding pistol-caliber-style carbine chambered in 5.7x28mm, designed for compact storage and easy transport. It features a side-folding design, magazine compatibility with Smith & Wesson pistol platforms, and a lightweight build optimized for portability and versatility.

Key Features of the M&P FPC 5.7

• Folding Design:
  Folds from approximately 30 inches to 16 inches, making it compact for storage and transport
• 5.7x28mm Chambering:
  Offers a lightweight, low-recoil shooting experience with higher velocity than traditional pistol calibers
• Magazine Compatibility:
  Ships with three 22-round magazines compatible with Smith & Wesson pistol platforms
• Integrated Magazine Storage:
  Stock includes onboard storage for two magazines with quick-release access
• Optics-Ready Platform:
  Full-length Picatinny rail for mounting optics
• Threaded Barrel:
  1/2×28 thread pattern for muzzle devices
• QD Sling Mounts:
  Quick-detach sling attachment points added to the stock and forend

M&P FPC 5.7 Specs

• Caliber: 5.7x28mm
• Action: Semi-automatic
• Overall Length (Unfolded): ~30 inches
• Overall Length (Folded): ~16 inches
• Magazine Capacity: 22 rounds
• Magazines Included: 3
• Barrel Thread: 1/2×28
• Rail: Picatinny top rail
• Stock: Folding with integrated mag storage

What’s New for 2026

The biggest update to the FPC lineup is the addition of 5.7x28mm chambering, expanding beyond previous configurations and offering a different shooting experience.

Additional updates include:

• QD sling mounts added to both stock and forend
• Continued focus on compact folding design
• Compatibility with newer accessories and suppressor-ready setups

👉 These updates expand the platform rather than redesign it.

M&P FPC Models Compared: 5.7 vs 9mm

Here’s how the new M&P FPC 5.7 compares to other models in the lineup:

👉 Browse available M&P FPC models on GunBroker to compare current listings and configurations.

Which FPC Should You Choose?

• Want lower ammo cost? → M&P FPC 9mm
• Want higher velocity and flatter shooting? → M&P FPC 5.7
• Want shared mags with your handgun? → Match your pistol platform

How the FPC 5.7 Fits Into the Platform

The M&P FPC series is built around:

• Compact storage
• Magazine compatibility with handgun platforms
• Ease of transport and deployment

The 5.7 version adds a higher-velocity option compared to traditional pistol-caliber carbines, giving users another configuration within the same system.

Who the M&P FPC 5.7 Is For

This platform is well-suited for:

• Shooters looking for a compact folding carbine
• Range and recreational shooting
• Those already using Smith & Wesson pistol platforms
• Users prioritizing portability and storage efficiency

Final Thoughts

The Smith & Wesson M&P FPC 5.7x28mm (2026) builds on an already popular platform by introducing a new chambering and incremental updates that improve usability.

With its folding design, magazine compatibility, and compact footprint, the FPC continues to stand out as a versatile and portable carbine option in the 2026 lineup.

Shop Smith & Wesson M&P FPC on GunBroker

Browse current listings and available configurations of the M&P FPC series on GunBroker.com to compare pricing and availability.

Smith & Wesson M&P FPC 5.7 Frequently Asked Questions

What is the M&P FPC 5.7?

The M&P FPC 5.7 is a folding carbine chambered in 5.7x28mm, designed for compact storage and compatibility with Smith & Wesson pistol magazines.

How small does the M&P FPC fold?

The FPC folds down to approximately 16 inches, making it easy to store and transport.

What magazines does the M&P FPC 5.7 use?

It ships with 22-round magazines that are compatible with Smith & Wesson pistol platforms.

Is the M&P FPC 5.7 optics-ready?

Yes, it includes a Picatinny rail for mounting optics.

What’s new in the FPC 5.7 for 2026?

The 2026 model introduces 5.7x28mm chambering and adds features like QD sling mounts while maintaining the folding design.

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