Full lug barrel or standard barrel with ejector shroud?
Fluted or unfluted cylinder?
The 1986-1987 production run of 3 inch are 657 "no dash"
1998 Lew Horton 3" full lug are 657-4
The 2 5/8" barrel Defensive Revolver 657s are dash 4 and 5.
I'm thinking a 657-2 might be a gunsmith custom......?
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