Quote Originally Posted by FPoole View Post
I can say that the Walther LGU piston will fit a TX200. Mine was lightened to 195 g, but it just never made power and it didn't feel as good as the original Mark1/2 type factory set up. Just another in the list of things so easy to do to a TX200 only to be put back to pretty much factory spec.
Excellent, thank you.
Now in the deep recesses of my mind (and there a lot of holes) I seem to remember something about swapping pistons around but that it was necessary to alter the shape of the 'latch' on the latch rod a tad. Was that the LGU: TX swap?