This is a classic design sidearm with all the very latest design features of state of the art modern weapons. The M&P 9 B is a full size auto, designed to deliver a 9mm S&W round and also designed as a top of the line competition weapon. This is the new design benchmark in personal firearms for ultra-portables, sleek, businesslike, and elegant. If youre looking for a high quality auto with a great design pedigree and top of the line technology, combined with high performance, the M&P 9 B is a natural option for discerning buyers. Product features Caliber: 9mm Capacity: 12 Rounds Barrel Length: 3.5″ Action: Striker Fire Action Front Sight: White Dot Dovetail Rear Sight: Steel Low Profile Carry Overall Length: 6.7″ Weight: 21.7 oz. (Empty Mag: 2.5 oz., Full Mag: Appx. 9.1 oz.) Grip: 3 Interchangeable Palmswell Grip Sizes Material: Polymer Frame/Stainless Steel Barrel and Slide Finish: Black, 68 HRc Purpose: Personal Protection Professional / Duty Recreational