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M17 Valve Knocker

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#1 enigmatts



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Posted 29 March 2011 - 10:56 PM

I've just picked up an m17 second hand and there seems to be an issue with the valve knocker. When firing to gun the valve knocker stays in contact with the output valve allowing the mag to expel all of its gas.  Can someone please advise a remedy?  Thank you in advanced.

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