Smith & Wesson Model 4006TSW .40 S&W DA/SA Stainless, 4 in, Novak Lo-Mount Sights, Full-Size TSW Series
This Smith & Wesson Model 4006TSW is a full-size, all-stainless .40 S&W pistol from the TSW series with a 4-inch barrel and Novak Lo-Mount sights. It features an ambidextrous slide-mounted safety/decocker, a smooth-face trigger, and wrap-around textured grips with S&W medallions. The slide is rollmarked "40 TACTICAL Smith & Wesson SPRINGFIELD, MA USA," and the frame is marked "MOD 4006TSW." The 4006TSW platform saw extensive U.S. law-enforcement use, including a notable 2006 California Highway Patrol order.
Condition
Overall Condition: Fair condition, showing extensive signs of prior use and handling.
Bore Overall Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Good Rifling - Intact, well-defined lands and grooves.
Specific Condition Notes: There is mild pitting visible in select areas. The TSW proprietary under-barrel accessory rail block is loose and shows evidence of a previous adhesive repair.
What's Included
- Original red Smith & Wesson hard plastic case
- One 11-round factory Smith & Wesson .40 S&W steel magazine
- One 10-round factory Smith & Wesson .40 S&W steel magazine
The 4006TSW is built on an all-stainless, matte-finished frame and slide with rear-only serrations. It uses a double-action/single-action system with an ambidextrous slide-mounted safety/decocker and a spurred hammer. The front strap is checkered for control, complemented by a smooth-face trigger and wrap-around textured black synthetic grips with S&W medallions.
Sights are the fixed Novak Lo-Mount pattern, with the rear base marked "NOVAK'S PAT. D350,946" and a dovetailed front sight. This sight setup is known for a clean sight picture and snag-resistant contours.
The slide is prominently rollmarked "40 TACTICAL Smith & Wesson SPRINGFIELD, MA USA" with the S&W crest, while the frame is marked "MOD 4006TSW." The pistol incorporates the TSW proprietary bolt-on under-barrel equipment rail block secured by two screws.
Chambered in .40 S&W, this full-size pistol has a 4-inch barrel and an 11+1 capacity. It comes with one 11-round and one 10-round factory steel magazine. The 4006TSW series has a strong service pedigree, including wide U.S. law-enforcement adoption.

