this is a gun that I made up by myself this gun functions narmolaly until u use the fore grip on the fore grip u see a trigger and no it is not a gernade lanchure its a flame thrower. it shoots small pistol sized bullets that arent filled w/ powerder but gasoline as tge bullet exits the barrel it hits the flame wich catches it on fire and when it hits some thing it explodes w/ fire cathing tge victim on fire! it takes a gas tank [located next to the trigger] this gun also has a red dot sight o