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ak problem

Gashauler
A friend of mine has an older ak that he has put a lot of rounds through. A couple of weeks ago he was shooting it and it stopped and won't go into battery. He took it apart and cleaned it and the bolt still won't close completely. Having no knowledge of these types of guns I guessed needs new springs. I know that that is not very much info to work from. But suggestions any suggestions or advice would be helpful. Thanks in advance.
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Comments

7 comments

Date Votes
  • barto
    1st thing I'd check would be to see if there is a piece of shell casing left in the chamber.
    [^]barto[^]
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  • GuvamintCheese
    Did you clean and check the gas port?, it could be fouled or have an obstruction and not letting the Piston/rod seat properly
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  • cwi555
    quote:Originally posted by Gashauler
    A friend of mine has an older ak that he has put a lot of rounds through. A couple of weeks ago he was shooting it and it stopped and won't go into battery. He took it apart and cleaned it and the bolt still won't close completely. Having no knowledge of these types of guns I guessed needs new springs. I know that that is not very much info to work from. But suggestions any suggestions or advice would be helpful. Thanks in advance.


    I suspect barto will be right on this one.
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  • Gashauler
    Went over last night to look at the gun. Turns out that it is only an occasional problem. Took it apart and there wasn't anything in the chamber and the gas port was clean, there was some carbon build up on the piston so we cleaned that and stretched the spring out. It failed to close less frequently than before so he is going to try a new spring (gun is 20 plus years old). Thanks again for the help.
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  • cwi555
    quote:Originally posted by Gashauler
    Went over last night to look at the gun. Turns out that it is only an occasional problem. Took it apart and there wasn't anything in the chamber and the gas port was clean, there was some carbon build up on the piston so we cleaned that and stretched the spring out. It failed to close less frequently than before so he is going to try a new spring (gun is 20 plus years old). Thanks again for the help.


    If it's gotten as many rounds as you suggest through it, I would suggest having the head space checked, and if it's ok, buying a whole spring set and replacing all of the springs.
    No gun has an infinite life, and all of them will eventually need maintenance.
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  • v35
    AK springs are overly strong and even a weak one should be plenty strong to cycle an AK.
    I would check the locking lug recesses in the trunnion (receiver) for debris.
    Following that, clean and oil the bolt body and carrier caming grooves.
    Then with the spring assembly removed,cycle repeatedly by hand checking for smooth operation and hangups.
    Check the receiver guides for wearout or bending.
    Check the carrier's bolt caming surfaces for wear.
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  • cwi555
    quote:Originally posted by v35
    AK springs are overly strong and even a weak one should be plenty strong to cycle an AK.
    I would check the locking lug recesses in the trunnion (receiver) for debris.
    Following that, clean and oil the bolt body and carrier caming grooves.
    Then with the spring assembly removed,cycle repeatedly by hand checking for smooth operation and hangups.
    Check the receiver guides for wearout or bending.
    Check the carrier's bolt caming surfaces for wear.


    All good points, but I have had an AK that did in fact wear out the springs. New set of springs, it was back in action.
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