What are some decent guns and setups to use in battlefield 3 beta, especially on low levels?

I'm like level 8 or 9.What are some decent guns and setups to use in battlefield 3 beta, especially on low levels?
use every kit until you get the first kit weapon for all four kits, as these can be used interchangeably between factions. once you have unlocked these weapons (ie m416, m249), use them ONLY. this way you'll unlock a load of attachments that you can use when you're on either side. so yeah.



my current setup is this:



m416, IRNV scope, bipod, laser



mp443 laser



grenade launcher (m230 or something)



defib



its awesome :DWhat are some decent guns and setups to use in battlefield 3 beta, especially on low levels?
i stuck to the assault class default weapon m4a1 i think it is, with kobra sight, bipod/foregrip, and tactical light. for secondary it was g18. then a sprint perk