The Smith & Wesson M&P FPC is a semi-auto pistol-caliber carbine chambered in 10mm with a 16.25-inch threaded barrel and a 15+1 capacity. It has a folding black synthetic stock, a black anodized aluminum receiver with a Picatinny rail, and an M-Lok handguard. The package includes three magazines and a carry bag. 
 

Key Specifications 

• Brand: Smith & Wesson 
• Model: M&P FPC 
• Caliber: 10mm 
• Action: Semi Auto 
• Capacity: 15+1 
• Barrel Length: 16.25 inches 
• Color/Finish: Black Anodized 
   

Detailed Features 

• 16.25-inch threaded barrel 
• Folding black synthetic stock for compact storage 
• Black anodized aluminum receiver with Picatinny top rail 
• M-Lok compatible handguard 
• Ships with three 15-round magazines and a carry bag

The M&P FPC in 10mm draws interest as a folding carbine that pairs with M&P 10mm pistol magazines, making it a practical pairing for those already in the platform. Owners appreciate the folding stock for transport and storage, noting it reduces overall length substantially without any tools.

The 16.25-inch threaded barrel in 10mm is a combination that generates real discussion. Shooters who hunt or want a truck gun find the extra velocity from the longer barrel over a 10mm handgun meaningful. Others question whether a carbine in a handgun caliber makes sense over a dedicated rifle, though most who own the FPC seem to have made peace with that trade-off.

Build quality reactions are generally positive for a production carbine. The M-Lok handguard and Picatinny rail give enough flexibility for accessories. The common frustration is magazine compatibility: while the FPC is designed around M&P 10mm pistol magazines, some users report fitment variation across magazine generations that requires attention.