The Smith & Wesson M&P 5.7 will light up the range and quicken your pulse. With its rotating 5" Tempo Barrel System, the M&P 5.7 utilizes the ballistics of the 5.7 x 28 round in tandem with the repeatability of the Tempo System. Get worry-free consistency, in a 22 Plus 1 handgun. Take control and feel the fast! FeaturesInternal hammer-fired, gas-operated, locked-breech TEMPO barrel system.Slim, optimally textured gripAmbidextrous slide stop and Manual Thumb SafetyReversible magazine releaseSlide cut for opticsCrisp single-action trigger breakFlat-face trigger for consistent finger placementPicatinny-style rail