The Section Five MAC-10 was a copy of the Ingram MAC-10 submachine gun manufactured by U.K.-based firearms company Section Five Firearms Ltd.
The Section Five MAC-10 was mostly identical to the Ingram model, but with an Uzi's pistol grip and magazine well. It accepted double-stacked Uzi magazines rather than MAC-10 magazines and fired only in semi-automatic from a closed bolt. Production of Section Five MAC-10s started in the late 1970's. Many Section Five MAC-10s were obtained by criminals, some of which even modified them to fire in fully-automatic. Although Section Five Firearms is no longer operational and production of these submachine guns has ceased, many are still being confiscated by law enforcement in the UK.