The-Only-Duke

that wouldnt be very likely to work at all as the hole in the back of the pellet is where the air that forces it through the barrel catches. on top of that the reason they explode is because the pellet is forcing the explosive against a hard target at high speed, putting it at the back would make it far less likely to set off.

its not the gravel in those that bang, the gravel provides sufficient friction to set of a tiny amount of silver fulminate inside of them.

very nice instructable! might try and make one for my friend