M9K Weapons (Known officially as Murderthon 9000) is a SWEP/Weapon mod for Gmod13 made by INCONCIEVABLE. It has 4 separate Mods, The Assault Rifles (which contain assault rifles) Specialties (Which feature Explosives, Melees, etc.), Heavy Weapons (Which adds Sniper Rifles and LMGs) and Small Arms (Which adds in SMGs and Pistols). Despite 4 mods, it is quite beloved by the Gmod Community, constantly being near the top of the GMod Addon's list.