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Thread: Im choking from the fumes!

  1. #11
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    There is no mode selector for the m6a2, that's the a3. I can't say I have ever noticed the gas issue with any shooting speeds less than double/triple taps. So it does seem to happen under rapid fire. And yes, it would have to be a backpressure issue if there wasn't something amiss with the piston system, being that the carrier key is struck mechanically or not pneumatically. Next step I guess is to contact lwrc or head over to their forums.

  2. #12
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    Quote Originally Posted by Ohdoom View Post
    There is no mode selector for the m6a2, that's the a3. I can't say I have ever noticed the gas issue with any shooting speeds less than double/triple taps. So it does seem to happen under rapid fire. And yes, it would have to be a backpressure issue if there wasn't something amiss with the piston system, being that the carrier key is struck mechanically or not pneumatically. Next step I guess is to contact lwrc or head over to their forums.
    What brand of XM193 are you shooting?

  3. #13
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    Federal

  4. #14
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    I'm with Templar, something ain't right. I'd take it to a good AR Smith or call the manufacturer and discuss it with them. Send it to them and have them check it out. You have a leak some where.
    For God and the soldier we adore, In time of danger, not before! The danger passed, and all things righted, God is forgotten and the soldier slighted." - Rudyard Kipling

  5. #15
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    Kind of a stretch, but what flash suppressor?

  6. #16
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    Is it possible it was just the wind? Or if indoors, bad air circulation?

  7. #17
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    I thought about that, but its happened every time Ive shot it and I haven't made a Wind connection.

  8. #18
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    If there was a suppressor selection it would let less gas through. A suppressor adds backpressure so you need to dial the gas pressure down accordingly.

    How does your brass look? With my DI AR my brass comes out clean except maybe a small bit right at the neck.

    How much lube have you been using? There is a post somewhere here about how to properly lube an AR if you havent looked at it yet. Im not saying its your problem but just something else to check.


    Anyway as the other posters said thats not normal unless your shooting suppressed.

  9. #19
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    Need more details on the "lots of extras".

    My first thought was that he could be running a KX3 too long of a barrel. But I'm not even sure if that would send gas back down into the chamber.

  10. #20
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    Quote Originally Posted by blkexp98 View Post
    If there was a suppressor selection it would let less gas through.
    Yes, but in letting less gas through to the piston, it would create higher barrel/chamber pressures, resulting in more back-pressure when the bolt unlocks. This is how carbon still ends up all over the inside of both receivers on a piston gun. Yes, it's not that much, but it's still a possibility.
    Last edited by Skyyr; 04-07-10 at 11:06.

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