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De-burr Lapua flash hole?

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Unread 03-16-2007, 07:45 PM
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Join Date: Jun 2007
Location: west of Little Rock ,Ark.
Posts: 1,271
Re: De-burr Lapua flash hole?

I have worn myself out looking down case mouths with a bright light trying to find something wrong Lapua flash holes .

I have around 500 300 win mag Lapua brass and that many 243 as well .................very boring [img]/ubbthreads/images/graemlins/cool.gif[/img] I realize that is not that much brass but Hey !! it is a pretty good sample .

I too am guilty of accepting the popular notion that their brass is drilled . Only thing is I was wondering how they did it without not having a drill burr every once in a while . That ass... uming thing will bite you every time [img]/ubbthreads/images/graemlins/laugh.gif[/img]

Thanks JB for the heads up .

Personally I dont think that Lapua brass needs anything done to it other than trimming after the initial fireforming.

Jim B.
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    Unread 03-16-2007, 09:24 PM
    Silver Member
    Join Date: Jan 2005
    Posts: 338
    Re: De-burr Lapua flash hole?

    Jimm, JBs right about the flash holes on some lots of Lapua brass.I've had the little 3/4 moon looking flash holes on 6.5-284 and 6br brass more than a few times.It looks like the brass flows over the end of the flash hole mandrel a bit when they form it. I can also say that I've never seen that problem with the Lapua 300 win. mag or 243 win. brass. (yet) --- RHB
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    Unread 03-16-2007, 10:03 PM
    Platinum Member
    Join Date: Jun 2007
    Location: west of Little Rock ,Ark.
    Posts: 1,271
    Re: De-burr Lapua flash hole?


    I know that you guys are right about those cases you are using . I have just not seen it in the calibers I was referring to . That dont mean much though cause it is only a small sample of what is out there .

    I think JB is a great source of info . He wants ( in my estimation ) what we all do .............the solid dope / info .

    I have no interest in pushing a personal agenda of my teeny tiny understanding of long range shooting and the exterior ballistics thereby inviolved . Just want to learn and apply!

    BTW 7mmrhb , I didn't think you were being negative in any way , just spitting out some thoughts that occurred to me as I was posting .

    later , Jim B
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