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  • #16
    ar15barrels
    I need a LIFE!!
    • Jan 2006
    • 57157

    Originally posted by Snoopy47
    To counter that, this one of many many times at the range with this set up, and I usually use the same couple of lanes.

    Never happened before.
    Or you just never noticed it before...
    Or your use of those lanes with your ported gun has finally worn out the ceiling insulation and it's just starting to fall apart now...
    All plausible causes.

    So if it was guncotton, it should have come out of your ejected case in order to be falling straight down where it was in the video.
    The problem with that is that your video clearly shows how high your case went and the mystery floaty stuff appears WAY after the case reaches it's apex.

    Fire some of those loads in a non-ported gun and see if the mystery floaties still appear.
    Try a different powder in that same gun and same lane.
    Try dramatically different lanes in the range.
    Rest the gun on that lame plastic rest that most ranges have to get the gun as far away from the ceiling as possible.
    Final test is to shoot it outside.
    Video ALL of these so you can see what factors cause the floaty stuff to disappear because if different powder does it, it's not guncotton.
    If moving the gun further away from the ceiling stops it, it's probably ceiling floaties.

    If it happens outside and with different powders, then you can definitely rule out the ceiling and you should probably see a witchdoctor to get rid of your demon because the sky is falling.
    Last edited by ar15barrels; 10-07-2021, 1:54 PM.
    Randall Rausch

    AR work: www.ar15barrels.com
    Handguns: www.handgunbarrels.com
    Bolt actions: www.700barrels.com
    Foreign Semi Autos: www.akbarrels.com
    Most work done while you wait on a scheduled shop visit.

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    • #17
      ar15barrels
      I need a LIFE!!
      • Jan 2006
      • 57157

      Originally posted by Mikes748
      What is that chicken wire on the ceiling holding up?
      Sound insulation.
      It's usually a fabric mat.
      Randall Rausch

      AR work: www.ar15barrels.com
      Handguns: www.handgunbarrels.com
      Bolt actions: www.700barrels.com
      Foreign Semi Autos: www.akbarrels.com
      Most work done while you wait on a scheduled shop visit.

      Comment

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