In this Battlefield: Bad Company 2 video, I play as an attacking Medic on Arica Harbor in Rush mode. I discuss vehicle specializations, gun damages, the importance of helping out your teammates, and the topic of glitches.

Also, if you want to pore over the gun statistics which I quote in the video, here's the link:
http://denkirson.xanga.com/722757523/bad-company-2/