[dirtdiver]

Originally Posted by Ninja_En_Short

You do risk to damage the valve and because I hate fixing those here is the spacer :

http://www.airsoftbuddy.com/index_ep...roducts_id=226

Airsoft Buddy has loads of stuff for WE

For polishing yeah it does but if you don't do it right it will lower the piston O-ring lifetime from a bit to a few games.
My advice : leave it like this until the open bolt kit comes out.

Thanks for the link, I guess I'll just leave the brass tube
Cheers