Cardboard in a gas mag
Is there supposed to be cardboard inside a gas mag?
Was taking apart one of my KJW M9 mags to try to fix a leak and found the gas chamber half filled with corrogated cardboard. Is this normal? My original leak problem was caused by paper fibers jammed in the valve keeping it open and wondered where they had come from, now I know.
I bought the gun second hand but the previous owner was fairly new to airsoft so I doubt he took it apart and put the cardboard in there. He told me he had bought it new from a Canadian Retailer (cant remember which one).
Does anyone know why its in there, if its supposed to be in there, if its safe to remove it, and anything else about this that may be important?
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