Smith & Wesson M&P 5.7, Semi-automatic, Single Action Only Internal Hammer Fired, Full Size, 5.7X28MM, 5 Barrel, Optics Ready, Thumb Safety, 3 Dot Sights, Matte Finish, Black, 10 Rounds, 2 Magazines 14093 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 10 Plus 1 handgun. Take control and feel the fast!