View Single Post
Old April 19th, 2009, 17:31   #6
Join Date: Mar 2008
Location: Calgary
Send a message via MSN to dpvu
If you really do insist on one, G&P makes a pressure switch for the M3. It replaces the end cap. You can find it on Redwolf, eHobby etc.
JG HK416
dpvu is offline   Reply With Quote