Cause of firing pin/FP safety wear - Page 3
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  1. #21
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    Quote Originally Posted by cobalt327 View Post
    I forgot to ask: Should the firing in assembly be a slight "press fit" when sliding it into the firing pin channel? In other words, mine does not drop in under its own weight, I have to (very lightly) push it into position. BTW, the firing pin channel liner is clean and smooth.

    Thanks, Mark
    Mark,

    Yes, a slight press fit is ideal.

    Chris
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  2. #22
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    Quote Originally Posted by cobalt327 View Post
    ..One thing I'd like to mention is there is plating on the firing pin as well as the firing pin safety. The difference is, the striker has "triple" chrome plating, which means the steel is first plated w/copper, then nickle, followed by chrome. The plating is relatively thin, though. The work I did on the striker to remove the damaged areas has also removed the plating down to the steel...
    I guess they put this plating on the parts to resist corrosion, thinking that it would take a long, long time for the plating to wear off through normal use cycles.

    Then, of course, in order to make the guns run more smoothly, we (and I do include myself here) polish the plating, sometimes polishing it off, in our quest to reduce friction. In other words, we accelerate the wear in order to speed up the break-in, and in so doing we probably shorten the service life of the parts.

    We could moderate some of the polishing in favor of longer life of the components, but consider that the people doing this polishing are never going to have dirty or un-maintained guns: it's just not in their (OK, our) nature. So I happily polish away, looking for the ultimate in a smooth Glock.

    The wear on your firing pin concerns me, though. If Glock doesn't swap that out, I would do it, mainly because I'm concerned that you may have cut through the hardening on the part. This assumes, of course, that it was hardened in the first place, but it's real hard to learn much about Glock's manufacturing processes.

    Chris
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  3. #23
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    Looks like this problem has not gone away.

    For some reason the URL won't post correctly, or the name of the forum, but it's 2 words and rhymes with block and walk, under General Glocking, Unsafe Glock 17. Guy from Russia reporting 15 guns affected after only 20K rounds.
    Last edited by GlockScott; 12-21-2016 at 11:39 AM.

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    From looking at the picture of the firing pin, is that a MIM firing pin? Could that be the cause of the unusual wear.
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