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greydog

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Join Date:

10-28-2007

Last Activity:

06-01-2017 11:02 AM

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  • Posted in thread: Grinding Mauser ears on 06-01-2017 at 03:02 PM
    I started out grinding and filing by hand fifty years ago and have seen no reason to change. I
    have set some up using a rotary fixture on the mill but I can re-contour the receiver by hand
    in the time...

  • Posted in thread: Questions on Rifling on 08-16-2016 at 10:43 PM
    Dallas and Greydog,Bearing surface length, or lack thereof (obviously some bearing surface is
    required for the engraving process), and bullet length alone do not determine gyroscopic
    stability.Gyrosco...

  • Posted in thread: Questions on Rifling on 08-10-2016 at 04:58 AM
    Not the length of the bearing surface; the length of the bullet in total. A round nosed bullet
    with lots of bearing surface will require less twist than will a long, pointed bullet of the
    same weight ...

  • Posted in thread: Questions on Rifling on 08-09-2016 at 07:24 PM
    Polygon rifling refers to the form rather than to the manufacturing method. Generally speaking,
    any form may be produced by any method. In addition, there are variations in form which may be
    considere...

  • Posted in thread: Loose Scope Mounts Got Me on 05-10-2016 at 05:07 AM
    I shot an entire silohuette match with a loose scope ring. I would make a few good shots then
    make an uncalled miss which really had me doubting my abilities. I had one shot go into the
    dirt, ahead of...

  • Posted in thread: A 1917............ on 04-14-2016 at 05:48 AM
    I believe it was a 1917 Enfield which was used by Sgt. Alvin York when he won the Medal of
    Honor. GD

  • Posted in thread: Loose rifle chambers on 04-14-2016 at 01:58 AM
    On the 30/40 brass I used fifty two years ago, the rim was large enough that it had to have
    about.005 removed to allow it to seat in the chamber of my #4. This was after it had been sized
    and trimmed....

  • Posted in thread: Loose rifle chambers on 04-13-2016 at 04:43 PM
    Leaving all else aside, The reference to varying cartridge dimensions is another valid concern.
    While I have found rim thckness dimensions to be remarkably consistent from brand to brand,
    base diamete...

  • Posted in thread: Loose rifle chambers on 04-11-2016 at 04:41 AM
    While I do not have the test equipment used by the manufacturers, I am capable of running
    useful experiments and producing valid results. I don't glean all my knowledge from manuals and
    articles which...

  • Posted in thread: Loose rifle chambers on 04-07-2016 at 07:10 AM
    Everything I say and do is based not on what was written in 1920 or on computer simulations but
    on what I have tested and experienced myself over 40 years of gunsmithing and rifle building
    and fifty p...

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