Smith & Wesson 13348 M&P 5.7 Full Size Frame 5.7x28mm 22+1, 5" Black Armornite Tempo System/Threaded Steel Barrel, Black Armornite Optic Ready/Serrated Stainless Steel Slide, Black Polymer Frame w/Picatinny Rail, Black Textured Grip, Ambidextrous - AS NEW IN BOX! The M&P 5.7 with its rotating 5"Tempo Barrel System utilizes the ballistics of the 5.7x28mm round in tandem with the repeatability of the Tempo System. Get worry-free consistency, in a 22+1 handgun. The M&P 5.7 features internal hammer-fired, gas-operated, locked-breech TEMPO barrel system (barrel doesnt cam open until bullet passes gas port); slim, optimally textured grip; ambidextrous slide stop; No 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; single-action trigger break and 1 in 9" twist barrel. Includes one magazine. Brand Smith & Wesson Category Pistols Series 5.7 Model M&P Caliber 5.7x28mm Barrel Length Range 5" to 5.99" Capacity 22+1 Action SAO Frame Finish Black OAL 8.50" Frame Material Polymer Hand Ambidextrous Sight Style Drift Adj / Steel Slide Finish Black Armornite Slide Description Optic Ready / Serrated Mount Type Picatinny Rail Barrel Finish Black Armornite Barrel Material Steel Muzzle Thread Protector Twist 1:9" Frame Size Full Size Grips Black Textured Sight Configuration 3-Dot Height 5.25" Includes 1 Magazine Safety No Thumb Thread Pattern 1 / 2"x28 Barrel Description Threaded Tempo System Barrel Length 5" Max Capacity 22 Trigger Flat Face Weight 26.70 oz Frame Description Polymer Frame w / Picatinny Rail