What weopen should I get next?

All my weopens

http://clan.z8games.com/charstat_cf.aspx?usn=9099&tb=w

im half way to perma axe (all from surveys) and i am very good with a sniper but am looking for something to just have fun with and mess around but is still good. I was maybe gonna get a k-2 dunno. I havent played for like 6months but am still pretty good i just missed it i mean alot of us have been here since cb