Anyone try the kns precision ak gas piston on their palmetto state AK?

How was fit and function?

Did you keep it or go back to factory?

1 Answer

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  • BBean
    Lv 7
    4 weeks ago

    No experience with kns but experience with Tapco piston. The measurements should be right on with most manufacturers. The hardest part is finding and removing the pin that holds the piston rod to the operating rod.  After that everything should fit since Palmetto State Armory has pleased me 100% in the past.

    The ambiguity in your details is wondering if you have the piston in hand or just anticipating a problem. I figure if any manufacturer`s product would be returned it would be Tapco. But Tapco is right on the money with my AK. 

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