Can anyone please tell me what years the 586 was manufactured and how many "dash versions" (586-1, 586-2, etc) there were and what years each version was made?

Thank you in advance.

The 586 was made from 1980 until 1999. No dash up to 1986,dash 1 in 1986,dash 2 in 1987, dash 3 from 1988 until 1992,dash 4 and 5 in 1993, dash 6 from 1997 until discontinued in 1999.

From the Standard Catalog of Smith & Wesson.

Thank you very much Indiandave.