Smith & Wesson SD VE Smith & Wesson SD VE The Smith & Wesson SD VE is a polymer-framed, striker fired semi-automatic pistol series introduced in 2012 by the American company Smith & Wesson. The SD VE is a direct evolution of the Smith & Wesson SD and Smith & Wesson Sigma designs. The SD VE design has an improved self-defense trigger and a comfortable, ergonomic, textured grip. The SD VE also features an improved stainless steel barrel and slide which the SD did not include. The SD VE is a striker fired semi-automatic pistol. This trigger system prevents the firearm from discharging unless the
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),