Smith & Wesson SW99 be actuated before take-down, as doing so renders the firearm inoperable. The later production SW990L eliminated the de-cocking button, but otherwise, the trigger pull and trigger reset of the SW99 QA and the SW990L are both the Quick Action type. The compact version of the SW99. https://sites.google.com/site/worldinventory/pw_northcarolina Smith & Wesson SW99 The SW99 rendition of the popular Walther P99 was the product of a joint collaboration between Smith & Wesson and Walther. The modified receiver used in the SW99 is supplied by Walther and is manufactured in Germany. Smith & Wesson manufactures the slide and barrel of the SW99 in
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),