ok so how does the redstone system work? i mean i cant see how you can shoot without plugin or commandblock. if you can open this world to multyplayer, or send it to me. i can see what i can do with this.. the simple way is that a command block will test the way you are looking at and then lunch arrow (if you are on 1.9+ it can be hurming arrow). if you want explosive arrow just lunch fire ball instead. about reloading you can do that in different ways.