Isn't there a notice when you sign up about posting in the intro section? Isn't there a section on how this board works and what is expected? You want us to cut YOU slack because YOU don't follow directions. Probably not going to happen.
It has to be balanced. Gas system and recoil system. 5.5 oz is about the standard carbine type buffer for the 308's. The light ones don't allow the bolt to slow down enough for things to work properly.