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cycling problem with my SKS

Discussion in 'Rifle Country' started by klalewicz, Feb 27, 2010.

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  1. klalewicz

    klalewicz Member

    Joined:
    Feb 24, 2010
    Messages:
    6
    I've got a YUGO model SKS that cycles just fine for the first 10 shots or so, then it seems like once the barrel and gas tube are heated up, the piston isn't able to fully cycle the bolt back to eject the brass. Any suggestions?
     
  2. Aunt Bee

    Aunt Bee Member

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    Feb 7, 2010
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    Location:
    On the Chesapeake Bay near USNA, Annapolis, Maryla
    The coefficient of expansion of the gas tube metal is prob greater than the COE of the gas piston when heated leaving a space. -- Also, does the top edge of the piston show any slight corrosion?
     
  3. railroader

    railroader Member

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  4. rockit

    rockit member

    Joined:
    Jul 18, 2009
    Messages:
    22
    Is it clean, including the gas system and port?
    Is the recoil spring inserted correctly?
    Have you tried different ammo to rule that out?
     
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