The Franchi SPAS-12 is a semi-automatic/pump-action shotgun designed and developed by Franchi S.p.A in Italy. It is a well known combat shotgun designed for military use.
Mario Warfare[]
In Mario Warfare, Captain N is seen carrying an all white SPAS-12 with an orange pump. He also uses it with the shoulder piece of the butt stock up and fires it alongside his trusty Nintendo Zapper.