The Smith & Wesson M&P 5.7 is a two-tone, optic-ready semi-automatic pistol chambered in 5.7x28mm and built around a slim Flat Dark Earth polymer frame. With a threaded 5″ barrel and an optics-cut slide out of the box, it is intended primarily for range use and practical defensive applications where controllability, capacity, and accessory compatibility matter. The design emphasizes a slim grip profile, a flat-face trigger, and a locked-breech TEMPO barrel system intended to work with the cartridge’s operating characteristics.

Key Specifications

• The pistol is chambered in 5.7x28mm to use the specified 5.7 cartridge type.
• The barrel measures 5.0 inches and is threaded with a 1/2″-28 tpi pattern and includes a thread protector.
• The firearm ships with a standard capacity of 22+1 rounds using the included magazines.
• The package includes two 22-round metal magazines for extended range time between reloads.
• The operating system is an internal hammer-fired, gas-operated, locked-breech TEMPO barrel system as specified by the manufacturer.
• The frame is constructed of polymer with a Flat Dark Earth Cerakote finish and features a Picatinny-style rail for accessories.
• The slide is made of stainless steel with a Black Armornite finish and is cut to accept micro red dot optics.
• The pistol weighs approximately 26.7 oz and has an overall length of 8.5 inches.

This product includes several jurisdictional restrictions. The magazine capacity exceeds the 10-round limits in the following jurisdictions where those limits apply: Hawaii; California; Connecticut; District of Columbia; Illinois; Maryland; Massachusetts; New Jersey; New York; Rhode Island; Vermont; Washington; and Colorado. The source data also lists direct sale or shipping restrictions specifically noting: no sale to California, Puerto Rico, Virgin Islands, Guam, and restrictions on direct shipping to California, New Jersey, Rhode Island, and Washington. Confirm local laws before purchase and transfer.

The M&P 5.7 is built for shooters who want a high-capacity, slim-profile pistol with out-of-the-box optics compatibility and a threaded barrel for accessory options. Its combination of a polymer FDE frame, flat-face trigger, and reversible controls makes it straightforward to use and serviceable for regular range work or other lawful applications. The design choices emphasize controllability, accessory flexibility, and an extended magazine capacity for users who require those features.