FX FX impact M4 velocity “warm up”

does the valve rod came straight out after removing the C1? or do you have to take apart the plenum?
Take it apart to the point that you can remove c1. Then pull the rod out towards muzzle as far as it lets you (otherwise you can damage it when unscrewing plenum). Then simply unscrew the plenum (with the power block etc still on it. Then pull the rod out towards the back end through the front piece of the plenum).
 
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Take it apart to the point that you can remove c1. Then pull the rod out towards muzzle as far as it lets you (otherwise you can damage it when unscrewing plenum). Then simply unscrew the plenum (with the power block etc still on it. Then pull the rod out towards the back end through the front piece of the plenum).

Thanks for the tips, will do.

How often do you plan on yanking out the valve rod for cleaning/polishing? 1000~2000rd to keep it as clean and as consistent as possible?
 
Thanks for the tips, will do.

How often do you plan on yanking out the valve rod for cleaning/polishing? 1000~2000rd to keep it as clean and as consistent as possible?
Well, I hope that polishing it plus getting some more shots through it will eventually get it to a point that there’s no more wear on the orings guiding it… for now I guess I’ll do it whenever I notice that I need more than 5ish shots or get back to tuned speed or whenever I have the gun opened up for whatever reason.

I didn’t grease/lube it since lube will eventually wear off and provide for its own source of inconsistency but if it gets bad within a 1000 shots or so again I might as well do that in addition.