Completing the line between main production and the Performance Center, the Smith & Wesson Pro Series represents the next step from standard models. Bringing competition specifications and features to factory models, the Pro Series offer that ready-to-go package while still maintaining production line integrity. The Model 686 SSR features chamfered charge holes, custom barrel with recessed precision crown, bossed mainspring, ergonomic grip, and wood grips. It also has stainless steel barrel, frame, and cylinder.