The M&P 5.7 redefines firearm performance with its groundbreaking Tempo Barrel System. Engineered to harness the unique ballistics of the 5.7x28mm round, this innovative 5-inch rotating barrel delivers unparalleled repeatability, giving you superior control and a noticeably faster shooting experience. Now, even those in states with capacity restrictions can enjoy its benefits, thanks to a state-compliant 10-round capacity model. TempoA(R) Barrel System: This revolutionary design incorporates a front gas port that keeps the barrel locked until the bullet has exited. The result? A more consistent, reliable, and exceptionally accurate shooting platform.Flat-Face Aluminum Trigger: Achieve more accurate and repeatable shots thanks to the flat-face trigger. Its design promotes consistent finger placement, enhancing your control with every pull.Optics-Ready: Easily mount most popular micro red dot sights directly onto the slide. This feature provides a clearer, easier-to-see sight picture, allowing for quicker target acquisition and improved accuracy. Internal hammer-fired, gas-operated, locked-breech TEMPOA(R) barrel system (barrel doesn't cam open until bullet passes gas port). Slim, optimally textured grip. Ambidextrous slide stop and manual thumb safety. Reversible magazine release. Slide cut for optics. Flat-face trigger for consistent finger placement allows for more accurate and repeatable shooting. Picatinny-style rail. Forward slide serrations. Accurate 1 in 9" twist barrel. Comes with two 10-round magazines.