The Smith & Wesson M&P 5.7 is a semi-automatic handgun chambered in 5.7x28mm with a 5-inch barrel. It ships with two 10-round magazines and has an optic-ready slide cut for direct-mount optics. The finish is black. 
 

Key Specifications 

• Brand: Smith & Wesson 
• Model: M&P 5.7 
• Caliber: 5.7x28mm 
• Action: Semi Auto 
• Capacity: 10rd 
• Barrel Length: 5in 
• Color/Finish: Black 
   

Detailed Features 

• Optic-ready slide cut for direct-mount red dot installation 
• 5.7x28mm chambering 
• 5-inch barrel 
• Includes two 10-round magazines 
• Black finish

Owners of the M&P 5.7 appreciate the combination of the 5.7x28mm cartridge in a familiar M&P frame. The optic-ready cut is a regular point of praise, with most owners running a red dot directly on the slide without adapters. The overall ergonomics follow the standard M&P pattern, which existing Smith & Wesson owners find immediately comfortable.

The trigger feel draws the usual M&P commentary, where some owners find it acceptable and others want a cleaner break out of the box. Recoil with 5.7x28mm is light, and that gets consistent mention as a positive, particularly for extended range sessions.

Ammunition sourcing is the most common concern. 5.7x28mm is available but not as universally stocked as more common pistol calibers, and owners note that cost per round affects how freely they run the pistol. The platform attracts shooters specifically interested in the cartridge rather than those looking for a general-purpose handgun.