Air gun, not a firearm. This is a modern air- or CO2-powered replica; the history below is about the original firearm it is modeled on.
The M3 'Grease Gun' was America's Sten: a .45 caliber submachine gun of stamped steel and welded seams, designed in 1942 to replace the superb but slow-and-costly Thompson with something a car plant could stamp out by the hundred thousand. Ugly, slow-firing, and utterly practical, it armed tankers and GIs from Normandy to Korea and Vietnam — and stayed in U.S. armored vehicles until the 1990s, outliving the Thompson it replaced by half a century.
Read the full history →
