My parts list is 5 years out-of-date, and S&W was making revisions to it so often that even when it was "current" I'd be told that there had been a revision to some parts. This happened when I was calling for 3913/4513 sights back then, BTW.

S&W is presently making their own steel sights, and sending them to Trijicon to have the capsules installed. Considering the 3rd gen's are considered "obsolete" models, I'd be surprised if they've bothered to make new sights for them.

I emailed someone at S&W to ask about any remaining CS9 night sights. I'll let you know if I hear anything.

In the meantime, I'd call Trijicon and ask if they have any remaining stock that wouldn't be specifically listed on their website, as they do still offer some 3rd gen night sights.

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Ret LE Firearms inst & armorer