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Small pistol vs small rifle primers

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  • slaaw
    Senior Member
    • Sep 2008
    • 521

    Small pistol vs small rifle primers

    Can small rifle primers be used with small pistol magnum reloads?
  • #2
    buffybuster
    Veteran Member
    • Oct 2005
    • 2615

    Dimensionally they are interchangeable (NOT true for Large Primers). But before you do that, you should always work up loads, NEVER just swap primers. The rifle primer has a thicker/harder cup than pistol primers which could result in misfires. Additionally, if the pressures aren't high enough you could get gas leakage around the rifle primer (not enough pressure to expand the primer tight around the pocket) which over time could cause breechface erosion (not too unusual for 38Super raceguns).
    Luck favors the prepared.

    The original battle plan did not survive initial contact with the enemy.

    "The things that will destroy America are prosperity at any price, peace at any price, safety first instead of duty first, the love of soft living and the get rich quick theory of life." -Theodore Roosevelt

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    • #3
      xxdabroxx
      Veteran Member
      • Apr 2008
      • 3392

      i thought small rifle was slightly longer, requiring a deeper pocket as well. I could be wrong though. IIRC it was about .005" Not sure though. They are definitely hotter though.
      sigpic
      NRA EPL Member
      Visit my blogBullets in the Wash

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      • #4
        buffybuster
        Veteran Member
        • Oct 2005
        • 2615

        Originally posted by xxdabroxx
        i thought small rifle was slightly longer, requiring a deeper pocket as well. I could be wrong though. IIRC it was about .005" Not sure though. They are definitely hotter though.
        Large RIFLE are longer/taller.
        Luck favors the prepared.

        The original battle plan did not survive initial contact with the enemy.

        "The things that will destroy America are prosperity at any price, peace at any price, safety first instead of duty first, the love of soft living and the get rich quick theory of life." -Theodore Roosevelt

        Comment

        • #5
          xxdabroxx
          Veteran Member
          • Apr 2008
          • 3392

          Originally posted by buffybuster
          Large RIFLE are longer/taller.
          Cool, I though one had a deeper pocket.
          sigpic
          NRA EPL Member
          Visit my blogBullets in the Wash

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          • #6
            Turbinator
            Administrator
            CGN Contributor - Lifetime
            • Oct 2005
            • 11934

            Sounds like bottom line, don't swap primers.

            Turby

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