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Thread: Tricky bedding problem

  1. #1

    Tricky bedding problem

    I need to bed a Tikka M690 action and I'm struggling to get my head around it.

    The recoil lug is not integral to the action, it is a seperate aluminium part (see attached photos). The lug is a sloppy fit on the action so if I just bed as normal with lug and action covered in wax I'm still going to end up with possible movement between stock and action even though the recoil lug is a perfect fit.

    The options as I see them are:

    1: Bed normally and live with poor fit between lug and action

    2: Epoxy lug to action first, then bed.

    3: Epoxy lug permanently into stock then bed action as normal.

    4: Remanufacture lug in steel, weld to action, then bed.

    I'm favouring options 2 or 4 at the moment but would appreciate your input.

    Click image for larger version. 

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    Andy
    Last edited by kingstonandy; 04-07-2011 at 06:18.

  2. #2
    Distinguished Member Ronin's Avatar
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    You need to think outside the standard recoil lug "box"


    I make a large disk which is permanently bedded into the stock with a pillar running through it on the forward action hole and a simple pillar on the rear.


    Works very well for me and ive done numerous Tikkas this way.


    Sorry for poor image but you should get the idea



  3. #3
    That looks like the way forward, I take it that your front pillar is an inverted top hat shape?

  4. #4
    Distinguished Member Ronin's Avatar
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    In essence yes.


    The lug is a machined pillar the same width as the action and about 15mm deep (deeper than the lug at the base of the action.

    There is a hole machined in the pillar the same diameter (+.002") to allow a slip fit.

    I then measure and machine a pillar that fits inside the centre hole so it touches the base of the action and base of the bottom metal.

    Two pieces, but top hat shaped....

  5. #5
    Why two pieces rather than one?

  6. #6
    Distinguished Member Ronin's Avatar
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    Easier (for me) to machine two pieces.

    Always don it that way.


    It works!

  7. #7
    My version, ready to bed.
    Click image for larger version. 

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