Full auto problem
 

So the last time I took my e&c 104 out to DMz I noticed when I would switch to full auto sometimes after I pulled the trigger it kept shooting. Anyone know how to fix this ?

There are a number of things this could be - but my best guess is that the trigger contact is not retracting properly. Either from a weak spring, or maybe a bit of debris is causing it to lock in place.

This is not a common issue, any other details you can provide will help with the diagnosis.