Ok..here we go..
1)It allows it the trigger to 'bounce' between your finger and cylinder after reaching so many bps.
2)Is this the full boar or full boar shadow you are talking about?
3)It is not worth getting an electro kit for the m98, its just a waste of money.
4)DON'T get ANYOTHER bolt, the stock is the best you can get.
-Philip