The battle for the last scrap of land held by ISIS has taken longer than expected.
Syrian Rebels Build Medieval Weapon
Syrian rebels build and use a midievil style trebuchet. Why not I guess, they have also used many catapults and slingshots of all sizes against the army outposts. Within a few hundred meters it has advantages! It is quiet, has no light, heat or explosion, but has the same effect on it's target.