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Thread: 7.62x54r headspace gauge dimms?

  1. #1
    Registered User Deerhurst's Avatar
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    7.62x54r headspace gauge dimms?

    Any of y'all have a set of coin style gauges you can measure for me to confirm specs?


    I have GO at 0.063" and NOGO at 0.070".


    Does this sound right?

  2. #2
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    "They do but the distance between the face of the bolt and the edge of the chamber is the headspace. In rimmed cartridges usually around 0.064" or so. Hatchers Notebook lists the min as 0.064" and the Max as 0.068" for the 7.62x54r Russian."

    From here;
    https://castboolits.gunloads.com/sho...=1#post1560525

  3. #3
    Registered User Deerhurst's Avatar
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    Thanks!!


    I forget where I read it, a guy had measured his coin gauges at .063 and .070 so I ran with that.


    I may just make another set at .063 and .068.

  4. #4
    Registered User Deerhurst's Avatar
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    To update this. My .060 gauge worked fine. Headspace is a hair tight but should measure out at 0.062 or 0.063" when taking into account the slop in the bolt wings.

    My 0.063 and 0.070 set worked perfectly for a Polish DPM kit.

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