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Thread: Variable Primer Sizes

  1. #1

    Variable Primer Sizes

    Hello
    I have just spent a frustrating hour trying to prime some new 6BR Lapua cases.
    They are Remington No 71/2 Small Rifle Bench Rest Primers - after a while I thought that I would try a different type (CCI) and in they slpped, smooth as a babies bum!
    Is it normal for primer sizes to differ so much?
    Ed

  2. #2
    Quote Originally Posted by Edchef View Post
    Hello
    I have just spent a frustrating hour trying to prime some new 6BR Lapua cases.
    They are Remington No 71/2 Small Rifle Bench Rest Primers - after a while I thought that I would try a different type (CCI) and in they slpped, smooth as a babies bum!
    Is it normal for primer sizes to differ so much?
    Ed
    When I prep US mil 308 brass the Federal primers are a crush fit. Remington slip in. A a couple ten thousandths of an inch too big for the hole and it's a chore to get them in.~Muir

  3. #3
    I have real problems getting Federal primers into Lapua brass. Very annoying!

  4. #4
    New primer seating tool has arrived!
    I didn't realise brand new cases (First I have bought) needed so much prep prior to use
    Thanks both
    Ed

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