User blog comment:Apepa/More powerful Frag Grenades for the Stimulus Package!/@comment-24476373-20100605225602

C4 is very useful. you can stand in one spot, kill a couple guys, and when people figure out where you are, plant c4 on the spot, then run to a 2nd spot where you can see the first. once, i tried this, and a guy just stood there, staring at the c4, until i detonated it.