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double action misfires, colt python

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  • TKCastle
    Member
    • Dec 2012
    • 282

    double action misfires, colt python

    Primer strikes are way off center. Is this a timing issue?

    Ammo is hand loaded, 158 hornady JHP over 13.5 grains of VV n110.

    thanks.

  • #2
    dfletcher
    I need a LIFE!!
    • Dec 2006
    • 14771

    Originally posted by TKCastle
    Primer strikes are way off center. Is this a timing issue?

    Ammo is hand loaded, 158 hornady JHP over 13.5 grains of VV n110.

    thanks.

    If that dimple at what looks like about 11 o'clock is the 1st strike, I'd say yes. Timing issue on a Colt, and one that off, shouldn't be too hard to confirm. Close the cylinder, apply a little drag with your thumb and cock the hammer slowly. You can do the same testing by pulling the trigger DA style, slowly. Keep in mind that regardless of which way you check stop pressing/cocking once the hammer starts to fall.

    It sounds as though the hand is worn. How old is the gun, and has anyone fiddled with it?

    A Colt hand is a bit of a challenge to properly fit. Sometimes peening the 2nd stage of the hand can give it enough lift to work. But again, that hit is quite a ways off.
    GOA Member & SAF Life Member

    Comment

    • #3
      ke6guj
      Moderator
      CGN Contributor - Lifetime
      • Nov 2003
      • 23725

      Its obviously junk. I'll take it off your hands. $50 for your troubles?


      Jack



      Do you want an AOW or C&R SBS/SBR in CA?

      No posts of mine are to be construed as legal advice, which can only be given by a lawyer.

      Comment

      • #4
        TKCastle
        Member
        • Dec 2012
        • 282

        11 o'clock dimple is the FP strike.

        Bought from my brother in-law years ago. Just started hand loading for it, shot groups single action all day. Last 12 rounds were DA and this problem occurred.

        If anyone can recommend a smith it would be much appreciated. Plus there is always sending it off to colt for the work.

        Thanks gents.

        Comment

        • #5
          hermosabeach
          I need a LIFE!!
          • Feb 2009
          • 19061

          If you tell us your ballpark location, we might be able to recommend a local smith to avoid 2 overnight shipping charges and 2 insurance charges
          Rule 1- ALL GUNS ARE ALWAYS LOADED

          Rule 2 -NEVER LET THE MUZZLE COVER ANYTHING YOU ARE NOT PREPARED TO DESTROY (including your hands and legs)

          Rule 3 -KEEP YOUR FINGER OFF THE TRIGGER UNTIL YOUR SIGHTS ARE ON THE TARGET

          Rule 4 -BE SURE OF YOUR TARGET AND WHAT IS BEYOND IT
          (thanks to Jeff Cooper)

          Comment

          • #6
            dfletcher
            I need a LIFE!!
            • Dec 2006
            • 14771

            Originally posted by TKCastle
            11 o'clock dimple is the FP strike.

            Bought from my brother in-law years ago. Just started hand loading for it, shot groups single action all day. Last 12 rounds were DA and this problem occurred.

            If anyone can recommend a smith it would be much appreciated. Plus there is always sending it off to colt for the work.

            Thanks gents.
            Thumbing back the hammer the way most do it will give the cylinder a bit of inertia causing it to lock up properly before the trigger is pulled. Doing DA doesn't give the same benefit.

            I'm not one who believes it's rocket science to fit an older style Colt revolver hand. I've done a few but they are a challenge - never toss the old one until the new one's fitted. Colt internals are highly interdependent, in that changing one part may cause a problem with another - you may find the new hand turns the cylinder before the cylinder bolt clears the cylinder bolt cuts and you feel hesitation. Just be sure that whomever works on it knows and regularly does the old Colts, I know some experienced Colt gunsmiths have been mentioned here before and someone will mention again.
            GOA Member & SAF Life Member

            Comment

            • #7
              TKCastle
              Member
              • Dec 2012
              • 282

              Originally posted by hermosabeach
              If you tell us your ballpark location, we might be able to recommend a local smith to avoid 2 overnight shipping charges and 2 insurance charges
              LA area.

              Comment

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