Smith & Wesson M&P15 Smith & Wesson M&P15 The Smith & Wesson M&P15 is an AR-15 style semi-automatic rifle by gun manufacturer Smith & Wesson. Introduced in 2006, the firearm is designed for police and consumer markets. "M&P" stands for "Military & Police" and is used to pay homage to the Smith & Wesson .38 Military & Police revolver. According to the company, the .38 Military & Police, now known as the Model 10 revolver, has been in continuous production since 1899, and over six million units have been produced." The M&P15 was introduced at the 2006 SHOT Show in two varieties: the M&P15
Smith & Wesson Model 4506 Smith & Wesson Model 4516: Compact version with a 3 " barrel on a smaller frame accepting 7 round single column magazines. Smith & Wesson Model 4546: Double-action-only version of the 4506 with a rounded, stubby hammer. Only produced in 1992. Smith & Wesson Model 4563: Midsize version with a 4" barrel on a full-size alloy frame. Smith & Wesson Model 4566: Midsize version with a 4" barrel on a full-size steel frame, the 4566 was formerly the issued sidearm of the New Hampshire State Police. Current issue (June 2015) with West Virginia State Police, in DAO (Double-Action-Only; TSW version),