Pennsylvania Firearm Owners Association
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  1. #1
    Join Date
    Oct 2011
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    (Lancaster County)
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    Default 1911 thumb safety fitting

    So I just got my ambi safety for my 1911. I fit it to the frame but then I ran into an issue where it was hitting the sear pin on the other side since the pin didn't sit flush. I decided to just take it to a gun shop and have them do it since I haven't before. I didn't ask how long when I dropped it off, but then I called a few hours later and asked how many days and they said about 3 weeks. I guess what I wondering is if I could fix the pin issue myself. I think I should be able to fit my grips and also fit the safety to the sear, but I didn't want to just grind down the pin since it has a lip that holds it from falling through.

    Do you think I should just leave it there and let them do it? Should I pick it up and try my self or just pick it up and take it somewhere else. 3 weeks is a long time, I understand they're busy so i'm not mad or anything but I don't feel like waiting 3 weeks.

  2. #2
    Join Date
    Jun 2010
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    North Penn area, Pennsylvania
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    Default Re: 1911 thumb safety fitting

    Aftermarket 1911 thumb safetys need to be fitted by a COMPETANT GUNSMITH who knows what the fuck they are doing! Not some hack with a Dremel tool.

    Seek professional help!
    I don't speak English , I talk American!

  3. #3
    Join Date
    Oct 2011
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    Lancaster, Pennsylvania
    (Lancaster County)
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    Default Re: 1911 thumb safety fitting

    thanks for the response abner, I wasn't planning on hitting it with a dremel, I have a decent set of metal working files and stones from past metal work that i've done

  4. #4
    Join Date
    Oct 2006
    Location
    New Castle, Pennsylvania
    (Lawrence County)
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    Default Re: 1911 thumb safety fitting

    Perhaps this is more helpful.

    http://forum.pafoa.org/general-2/352...tallation.html


    Lycanhaveatitthrope

    I taught Chuck Norris to bump-fire.

  5. #5
    Join Date
    Jul 2007
    Location
    Boalsburg, Pennsylvania
    (Centre County)
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    Default Re: 1911 thumb safety fitting

    I don't think its difficult, especialy if you have functional safety on the gun already. You just need to go slow.

    If you have gun with thumb safety already on, you can use it as reference as to where needs to be filed.
    Install the safety after marking it with sharpie marker. Remove and see where it may be fitting. Compare it with original one.
    Use hand file. and start filing.
    Go slow, check your work often.

    remenber, you can easily file more, but you can't put the metal back on.

    With that being said, I wouldn't mess with it myself. I have smith I trust
    Audemus jura nostra defendere

  6. #6
    Join Date
    Oct 2009
    Location
    Chalfont, Pennsylvania
    (Bucks County)
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    Default Re: 1911 thumb safety fitting

    There is very little room for error in fitting the thumb lock-
    It should be done by someone that already knows how to do it.

    The sear pin should be flush with the frame on the left side (that's where it countersunk). It may be rounded and slightly protruding on the right side of the frame- this end can be trimmed to be flush without doing any harm.

    Actual fitting of the safety to the sear should be done to about 0.005", it is that critical. Factor in a higher degree of difficulty if you are using anything other than military or Colt factory parts.
    Crusader's local #556 South Central Asia chapter

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