The M586/M686 Distinguished Combat Magnum was aimed at the PPC revolver competition shooter, hence the "Distinguished" shooter classification per NRA regulations. Up to this point, the Colt Python was the instrument of choice for many in this higher than Expert classification.
I own a 4" I bought new April 5, 1985 at a police equipment shop. It is called the Distinguished Combat Magnum Revolver Model No. 686. There was one for sale on Guns America a while back for $595, same sku as mine 104202. M-686 4" .357 Distinguished Combat Magnum Older Model Smith & Wesson Revolvers > Full Frame Revolver for sale, gun classifieds or gun auction from CJS10. Buy or bid on this M-686 4" .357 Distinguished Combat Magnum Older Model in the category Smith & A picture of it can be found here, along with a partial view of the original S&W paperwork and box. I retained all of mine as well.![]()