You don't need to charge up your hammer.
Just clicking has the same effect (from what I have seen).
I absolutely don't see any use for ironsights in this game. The hammer is a meele weapon afterall. What the heck are ironsights any good for in The Ball?
Ironsights still won't really help. It's not like the gun had an offset by itself, but you have to hit the ball right in the middle if you want to go it right to the middle.for those long hallway shots where you have to bowl something over or hit a ball activation button at range, I had to spend a few minutes on some of those because of how offset the gun was and because it is angled...