I am looking for the old, black, lighter gage mainspring for a M37 (1970). I can also be contacted at [email protected].

FWIW Wolff makes 8, 8-1/2, & 9 pound j-frame mainsprings-- $4.29 each direct from Wolff. Midway etc might also have them.

Sir - We have the part you need. Old part number 5749 - price is $4.00 delivered. These are new factory parts. Thanks, Judge. we are at [email protected]

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Martin Co,FLA(finally made it)