wackyteen posted...
I'd say most expensive would be explosives but a 40mm isn't that expensive and from a Mk 19, definitely capable of the listed effect
anything involving controlled chemicals would be much more expensive than explosives. blowing up one person's head requires a very small amount of explosives
one of the reasons some US states want to switch back to shit like the electric chair and hanging and firing squads is because pharmaceutical companies won't even sell them the drugs for lethal injection if they know that's what they'll be used for.