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Thread: FN bolts

  1. #1
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    Question FN bolts

    FN bolts - these gtg?

    FFL I sometimes visit in Scottsdale has several bolts in a bag with cage code 3S679 on the bag label - my understanding is that these are FN bolts (dunno for sure).

    I could use spare bolts for my Colt 6920s - should these do well? Im assuming so, but had to ask.

    Thanks in advance for any feedback!

  2. #2
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    GTG. All the ones I have seen are marked with a F MPI and the extractor also is marked with a F on the inside.
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    Big brother is watching...and listening.

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    Quote Originally Posted by prepare View Post
    Can you verify that? I always heard that they were made by AO Precision.

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    Quote Originally Posted by AAMP84 View Post
    Can you verify that? I always heard that they were made by AO Precision.
    No, just info from a industry pro.
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    Quote Originally Posted by prepare View Post
    No, just info from a industry pro.
    Someone pointed out in another thread (can't remember where) that you can tell an Azimuth bcg by the gas key. The rear of the gas key is rounded/radiased.

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    Thanks much for the feedback, Gentlemen. I very much appreciate it.

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    Quote Originally Posted by Buncheong View Post
    FN bolts - these gtg?

    FFL I sometimes visit in Scottsdale has several bolts in a bag with cage code 3S679 on the bag label - my understanding is that these are FN bolts (dunno for sure).

    I could use spare bolts for my Colt 6920s - should these do well? I’m assuming so, but had to ask.

    Thanks in advance for any feedback!
    They seem to work good in USMC M4 and M4A1. Never had any major issues.

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