Haven't read other than S. 176.
Start writing your Senators and Representatives. Make donation to your favorite gun lobby (CCRKBA, NRA, etc) assuming they're not favoring the bill, if they are find a new group.
If we have to have permission from State(s) to carry concealed, a uniform law from state to state would be good. Not this one though.
Why do we allow the Fed to dictate to states how we defend ourselves, whether we drive 55 or 85 on our highways, where we get our health care...