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    Cat 64
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    6.5X47 Lapua neck tension logic

    Besides the problem I have listed in a thread below, I discovered that the neck tension I get after resizing is not adequate. The cases I am using are brand new Lapua (fired once). The outside diameter of a fired case is .293 (if I drop a bullet in the case at this time it will go down with a very slight pressure). After resizing I get the diameter to .289. When seating a bullet I get obvious indicators of "forcing" (i.e. hard to push, shavings at the mouth). The diameter of a loaded round is .290. The book dimensions for a loaded round (as stipulated in the Berger book...I load Berger bullets...) is .291. Question is what neck tension I will need to hone my die (I will send it to Forster and ask for this service; they have done it before for me)?
    Last edited by Cat 64; 08-09-2014 at 09:13 AM.

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