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338 edge headspace gauge

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  #1  
Unread 01-18-2011, 12:20 AM
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Join Date: Jan 2011
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338 edge headspace gauge

What are people using? 300 rum?
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  •   #2  
    Unread 01-18-2011, 01:43 AM
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    Re: 338 edge headspace gauge

    300 Rum GO is the one for the Edge. For a NO GO use one layer of scotch tape on the base of your GO guage.
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    Some kids want to be a fireman or a doctor to help people. I wanted to be a gunsmith.

    NRA Life Member and I vote.

    Only accurate rifles are interesting.

    Gordy and Brady.
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      #3  
    Unread 01-18-2011, 09:00 AM
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    Re: 338 edge headspace gauge

    Buy a NO-GO gage, too,,,,,, and do it right!
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    "Shoots real good!": definition; it didn't blow-up in my face. 1993 graduate Montgomery Community College 2yr. gunsmithing program
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      #4  
    Unread 01-18-2011, 12:02 PM
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    Re: 338 edge headspace gauge

    "Do it right" with a NO GO guage? I operate at a bit tighter tolerance on a rifle set up for accuracy. Most NO GO guages are .004" to .010" over their respective GO guage. A piece of scotch tape is .002". This leaves my headspace with the tape method at nuts on to .001".

    Here is some old hack doing it the wrong way like I do.

    YouTube - Barrel Chambering & Headspacing
    __________________
    Some kids want to be a fireman or a doctor to help people. I wanted to be a gunsmith.

    NRA Life Member and I vote.

    Only accurate rifles are interesting.

    Gordy and Brady.
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      #5  
    Unread 01-18-2011, 12:38 PM
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    Re: 338 edge headspace gauge

    Scotch tape is 'repeatable'? There are better ways to work close to min. tolerances than tape. Your liability insurer wouldn't like the tape 'method' at all!
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      #6  
    Unread 01-18-2011, 02:15 PM
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    Re: 338 edge headspace gauge

    Shortgrass,
    I think you are on the loosing end of this argument.
    I think I recognize Gordy Gritter doing it that exact way in the video posted. If it is good enough for a 1000yard bench rest rifle shooter and gunsmith to do it that way, it is good enough for my rifle build.
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      #7  
    Unread 01-18-2011, 07:04 PM
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    Re: 338 edge headspace gauge

    Sorry, not into 'hero' worship. As a general rule of 'practice' in my shop I cut SAMMI tolerances in half for headspacing. I'll continue to trust my Starrett depth mic' and my ability to use it rather than a piece of Scoth Tape, to know where I'm at within that tolerance. I've got a couple of rolls in the office, couldn't find a NIST certification anywhere! By the way, I've built quit a few competition rifles in my day, too.
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