AR-15 bolt question?
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Thread: AR-15 bolt question?

  1. #1

    AR-15 bolt question?

    In the bolt carrier assembly what can go bad or get damaged?

  2.   
  3. you can break a firing pin, and extractor

    most other parts are pretty strong but it is a good idea to keep some spares around, maybe even a complete bolt carrier assembly

    extractors can break when using steel cased ammo like brown bear or wolf

    other than that the springs in the extractor or ejector can wear out


    all the small parts can be bought individually for around $5 each or sometimes in a kit that has all the breakable parts in it

  4. Multiple small parts all of which can break. Extractor (w/spring & pin), ejector(w/spring and pin), gas key screws can loosen, firing pin can break, cam pin(not usually a problem), bolt itself can break, gas rings can become dislodged or break. Carrier can become clogged with carbon.

  5. #4
    Join Date
    Jan 2011
    Location
    Tallahassee Florida
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    The Bolt carrier is pretty much bullet proof, it's the bolt that takes the brunt of wear and tear. A spare bolt is a must have in the spare parts box.

    Not all bolts are equal either, stick to quality bolts like Bravo Co., Colt, LMT etc..........

    "It's easier to avoid conflict than it is to survive it" - SGB

  6. #5
    Join Date
    Aug 2009
    Location
    MA, Away from the liberal loonies...
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    It's always good to have a spare parts kit w/ one of everything and the tools required to swap 'em out..
    You can give peace a chance alright..

    I'll seek cover in case it goes badly..

  7. #6
    I have a M&P I heard STag arms makes the parts for this rifle, where can I find spare parts for this?

  8. Quote Originally Posted by Usa007 View Post
    In the bolt carrier assembly what can go bad or get damaged?
    Everything....literally.

    A bad gas tube can damage the gas keyway.
    Improperly staked keways can come loose or break.
    Firing pins can bend.
    The retainer pins can break over time.
    The extractor spring can wear out.
    The extractor can wear or break, latter of the two least likely.
    The gas rings can wear out or become out of stagger.
    The BC itself can be damaged or scarred which may impede function.
    Round overrides can cause a lot of problems and damage.
    Charging/chambering the AR by simply pulling the charging handle and letting go can create big issues and round overrides. You should lock the bolt to the rear and use the bolt release. (know this all too well first-hand from my last deployment thanks to an idiot E-7)


    Did I miss anything fellas? That's pretty much the learning curve for combat loud-out and combat environment cleaning issues we looked for.

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