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AR firing pin/bolt

Discussion in 'Gunsmithing and Repairs' started by blarby, Dec 22, 2012.

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  1. blarby

    blarby Member

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    Ok, bear with me please, I'm new !

    *holds up signs stating he's new at this*

    Ok, my manual is a little short in the explanation of removing the actual bolt from the bolt carrier for cleaning.

    Even less so on how to remove the contained items.

    Breaking it down to this point, removing the handle and bolt carrier- Fine, easy as they come. Outside pieces cleaned and lubed ? No problem.


    *stares intently at bolt in carrier*

    Ok, I'm lost.

    I no longer trust idiot tube, just you guys.


    Could someone walk me through this slowly and carefully........
     
  2. rcmodel

    rcmodel Member in memoriam

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    Take the cotter-key looking thing out of the left side of the bolt carrier.
    Then the firing pin will fall out.
    Then take the cam pin out of the bolt.
    Then pull the bolt out of the carrier.

    Assemble in reverse order.

    rc
     
  3. blarby

    blarby Member

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    Got it !

    Thanks again, RC.
     
  4. Coop45

    Coop45 Member

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    And make sure the gap in the gas rings on the back of the bolt do line up.
     
  5. taliv

    taliv Moderator

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    it is not necessary to align the gaps in the rings, as they will move around anyway.
     
  6. rcmodel

    rcmodel Member in memoriam

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    Ahhh?

    It's generally recommended thet the gaps DO NOT line up.

    But it really doesn't matter.

    They are constently moving during operation, and probably line themselves up from time to time anyway.

    If the gun is right, it will run with the gas ring gaps all lined up, or even with one or two gas rings missing.

    rc
     
    Last edited: Dec 22, 2012
  7. taliv

    taliv Moderator

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    it is oft repeated, i'll grant you that. :)
     
  8. Rottweiler

    Rottweiler Member

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    I actually did a little experiment with the gas rings a few years back. Tried with them all lined up,staggered 180 degrees apart, one every 120 degrees ect. gun cycled every time in any variation I could come up with.

    My conclusion was it don't matter where the gas ring gaps are in relation to each other.
     
  9. OilyPablo

    OilyPablo Member

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    Just make sure you lube the rings up nicely.
     
  10. 243winxb

    243winxb Member

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    The M16A1 owners manual has,
     
    Last edited: Dec 23, 2012
  11. blarby

    blarby Member

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    Just out of curiosity.....

    wouldn't wd/40, stored for some length of time, be more likely to bind the pin ?
     
  12. Canuck-IL

    Canuck-IL Member

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    Yes - unless the gun has been thoroughly soaked and you need to displace all moisture before a cleaning and lube with the proper materials, there's no use for WD-40.
    /Bryan
     
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