Dynamite is great, but mortars are the ideal guerrilla weapon. Ideal.
That ended when someone blew up their wife and the airliner she was on
Mortars and Claymores!
In this case, though, I agree; give me a Vietnam-era M2 60mm, a base plate (no bipod necessary), a couple of sandbags, an M-60 barrel glove, and one round of HE, and I'll put in your hip pocket from 1000 yards.