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Discussion Starter #1
My (new to me) P7 makes a clicking sound sometimes when racking the slide by hand and feels rough. But, if I keep working the slide it clears up. The gun runs fine and I have cleaned the gas chamber.

My thought is that the piston is being allowed too much side to side play and that the piston is trying to hang up on the entrance to the chamber.

Will replacing the piston/spring/pin cure my ills or do I really have anything to be concerned with.
 

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What 5wire said -- sometimes if the grips are not seated just so or if they are in too tight, you can get cycling issues.
 

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Discussion Starter #4
Grips were OK.

OK, I feel better now...

I thought I had the gas cylinder clean, but just for grins I gave it a good going over with the scraper and brush again, now it is racking smooth by hand, lesson learned.
 
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