Optics Planet has Millett adjustable sights for the 3RD Gen. S&W. Millett Auto Sights - Series 100 Adjustable Sight System. FB00021, FB00019, RS22012, RS22013, SW40513, RP85006, RP85007, RS22010, RS22011, BE00007, BE00008, SW39595, SW46904, BF00008, RS22002, RS22017,

I put them on a 5906 and a 4566TSW. The front and rear sights are sold separately.