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Internal Workings of a S&W K&L Frame Revolver

Discussion in 'Handguns: Revolvers' started by SullyVols, Sep 16, 2012.

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  1. SullyVols

    SullyVols Member

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    Jul 23, 2012
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    I have a Stainless 617 .22Lr and a Stainless 686 .357 both with 6" barrels and both are the most recent models Smith makes.

    I was wondering if the stainless guns had carbon steel innards?

    The trigger and hammer appear to be high carbon steel as does the stupid internal lock mechanism, but I don't have the patience or confidence to disassemble my guns to find out.
     
  2. bigtubby

    bigtubby Member

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    Great state of Nevada
    I believe the hand is stainless, MIM parts can be either carbon or SS from what I have read.
     
    Last edited: Sep 16, 2012
  3. Old Fuff

    Old Fuff Member

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    Prior to the introduction of MIM parts, stainless steel S&W revolvers had case-hardened/low carbon steel hammers and triggers that were flash chrome plated to match the stainless "look." Very early model 60's had all-stainless parts for a short period, but changed quickly when they didn't stand up and wear well.

    I have no idea concerning current production, but I suspect that the same hammers and triggers are used in all production for the reason of cost savings.
     
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