Headspacing gauges needed?

Discussion in 'Gunsmithing' started by Ray B, Sep 23, 2019.

  1. Ray B

    Ray B AH Elite

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    I took the Mark X action and a barrel chambered for 300 Wby to the gunsmith to be seated. The gunsmith is just starting out and doesn't have a lot of equipment. He said he didn't have go/no go gauges for the 300 Wby yet so would need to either rent/buy a set in order to install the barrel.

    I have read that what's needed to install virtually any of the belted magnums are the same gauge- headspacing on the belt. Is this correct that he can use a set of "belt" gauges rather than full cartridge ones?
     

  2. bruce moulds

    bruce moulds AH Elite

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    yes they headspace on the belt.
    same as 375 & 300 h&h, 300 win, 7mmrem, etc.
    when you reload the brass you should then adjust the fls die to use the shoulder for headspace.
    bruce.
     
    Butch Lambert likes this.

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