Smith & Wesson · Carbine

Smith & Wesson M&P FPC 5.7

Name: Smith & Wesson M&P FPC 5.7
Brand: Smith & Wesson

Blowback (semi-automatic) · 5.7x28mm FN · introduced 2026

Also known as S&W FPC 5.7, M&P FPC 5.7x28

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About the Smith & Wesson M&P FPC 5.7

The Smith & Wesson M&P FPC 5.7 is a 5.7x28mm chambering of S&W's Folding Pistol Carbine, introduced for 2026. It keeps the FPC's signature center-folding design - the carbine folds in half so a mounted optic stays in place - and adds an integrated recoil-buffer system to tame the 5.7 cartridge. The 16.25-inch barrel wears a 1/2x28 threaded muzzle, and it feeds from S&W 5.7-pattern pistol magazines.

The FPC folds in the middle rather than at the stock, so a shooter can leave a red dot or magnified optic mounted and zeroed while the whole carbine collapses to roughly the length of its own barrel for backpack storage.

Smith & Wesson M&P FPC 5.7 specifications

General

Type: Carbine
Action: Blowback (semi-automatic)
Firing mechanism: Striker-fired
Trigger: Single stage
Calibres: 5.7x28mm FN
Magazine capacity: 22 rounds
Magazine: Detachable box magazine

Dimensions

Barrel length: 413 mm (16.3 in)
Overall length: 772 mm (30.4 in)
Folded length: 416 mm (16.4 in)
Weight (empty): 2.27 kg (5.00 lb)

Barrel

Rifling: Right hand

Materials

Barrel: Steel
Receiver / frame: Polymer
Stock: Polymer
Finish: matte_black

Performance

Effective range: 100 m

History

Introduced: 2026
Production status: In production
Country of origin: US

Features

Side folding design
Integrated recoil buffer
Threaded barrel
Picatinny top rail
M lok handguard
Qd sling mounts
In stock magazine storage
Pistol magazine compatible

Safety

Manual safety

Distinct from the original 9mm M&P FPC. Ships with three 22-round magazines and a proprietary loading tool. Unfolded length 30 3/8 in; folds to 16 3/8 in with QD sling mounts on the stock and handguard sides.

This is a variant of the Smith & Wesson M&P FPC.