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  1. #11
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    Re: Stock stretching - or changing length of pull

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  2. #12
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    Re: Stock stretching - or changing length of pull

    Well it seems we now have this clunky block hanging on the end of our stock. We need to make it smooth and sleek. First. Protect the stock. Wrap multiple turns of protective tape around the stock. Four layers at least. In these next steps, if you start to tear up the tape (you will!) stop and re-wrap. If you’re going to blend the extension into and try to match the stock, then you’ll be refinishing the whole thing, but you still want to avoid large gouges and scratches.

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    Re: Stock stretching - or changing length of pull

    Your two best options for removing the bulk of the extra wood are a small SHARP plane, or a rasp (Shurform etc.). You can work towards the stock or away from it depending on the run of grain. If it appears you’re chipping small pieces out, you are prolly going against the grain. Use your tool to help keep your alignment with the stock all the way around.


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  5. #14
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    Re: Stock stretching - or changing length of pull

    After removing the excess wood, remove the tape so you can fine tune the fairing of the extension and feel the relation between it and the stock. Do the actual sanding with the extension OFF the stock. Sand and fit. Repeat.


  6. #15
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    Re: Stock stretching - or changing length of pull

    A belt sander belt slipped snuggly over a smooth piece of ½” plywood makes a good (short) longboard sanding block.

  7. #16
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    Re: Stock stretching - or changing length of pull

    You want to attempt to sand in the final fit by keeping the plane of the extension true to the flair of the butt stock. Avoid sanding in humps and hollows.

  8. #17
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    Re: Stock stretching - or changing length of pull

    There are many aids available to help with sanding in the curves.
    Attached Images Attached Images

  9. #18
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    Re: Stock stretching - or changing length of pull

    I’ll get a radius sanded into the edge all around the end. This radius will vary with where it is located on the extension. Near the toe it will be sharper than on the top edge of the stock.

  10. #19
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    Re: Stock stretching - or changing length of pull

    .

  11. #20
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    Re: Stock stretching - or changing length of pull

    The intent was to be able to take our extension off, put the original butt plate back, and thus return the rifle to its original configuration. It needs a finish that will toughen it and resist the elements. Epoxy is just the thing. Epoxy gets hard due to a chemical reaction and must be mixed precisely. You definitely want to protect yourself from it to avoid a possible nasty physical reaction. For small quantities, I use a digital scale to weight the two parts, throw away cups to mix it in, and rubber gloves to keep it off me. A cheap “chip” brush to apply it and a block with a screw in it to hold the part while the glue dries, are the tools needed. Waxed paper keeps drips and runs off the table and scale.


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