Having just gotten the Steel Certification, if it is a club event then you do not need the steel badge. Also, if you are shooting with someone who has one, you don't need one either.
On the MDSP webpage, the to and from range etc. appears to only apply a handgun, but IANAL.
How can I legally transport firearms within / through Maryland?
They must be unloaded, in a carrying case, holster with a flap and the ammunition should be separate. It would be best to keep the...
If HD is in your plan, you may want to go with the shortest one to maintain mobility. Otherwise, lighter is generally better IMHO. Just be prepared that these are like babies and take around 9 months to show up.