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    • #69227
      Glenn
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      My neighbor Charlie came over today to load a pile of ammo for his new S&W 40.  We loaded up 10 rounds and tried them in the gun, and ended up with 2 misfires with Win SP primers.  So I switched to tulammo primers and had 4 misfires out of 10.

      The misfires had a very light firing pin strikes on the primer.

      So I was thinking about oil or crud on the firing pin.  I tore it down and hosed the slide out with brake cleaner.  I spent a lot of time on the firing pin channel, then blew it out with compressed air.

      I put it back together and tried 10 more rounds with win primers, and it ran great with no misfires.

    • #69228
      Jniedbalski
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      That’s always good when you can fix it just by cleaning. Better than buying parts

    • #69229
      Harter
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      I learned what could have been a very expensive lesson about clean first then adjust . Had a 1917 Colt that wouldn’t reliably cycle . Mostly it came up short of the locking bolt . Fortunately I tore it down before I started fixing what I thought needed to be fixed . I basically just let it swim overnight in CLP . The amount of grunge , filth , and dirt was unreal . On the other hand it had not been stripped in my lifetime .

    • #69230
      Jniedbalski
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      I have seen old marlin auto  22s’ that where so dirty I can’t beleave that they ever shot

    • #69234
      Rattlesnake Charlie
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      Very timely Glen. My Springfield XD .45 is starting to misfire with very light firing pin strikes. I’ll check this out closer.

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