Where do you get these wonderful products? Why right here at PURPLE LABS (TM) of course, payment to be advised at time of purchase.
As to the question of range, we at PURPLE LABS (TM) have taken a giant leap forward in the science of illogical explosives and have created a handy dandy grenade launcher that can be strapped easily to a shurican catapult, fire pike, star cannon, missile launcher, or your pet orcs head. This effectively increases your range to an astounding 24"!
Don't miss out. Don't delay, or the next time you stroll into battle these fine weapon systems maybe in use against you!
PURPLE LABS is not responsible for the downfall of the Eldar people, injuries arising from attempts to domesticate orcs, or the stains in your carpet.