First of all, welcome to the forums. Tis a fun place around here. But there are a few things you should take a look at. Like
this. It may be long, but it'll help out ^^.
Since you are basically asking for weapon advice, you should direct such a question in the
Weapons Advice/Reccomendations Board (SPLIT!) board.
And o _ O, if you see such a dbl post, just PM me or other BDome mods to fix it. No need to point it out in the thread.