The Bangerter machine gun is an unusual firearm. The weapon is chambered in 7.92x57mm and is the most complicated designed firearm. The Bangerter machine gun is filed under United States Patent US1424751 as the Automatic rapid-fire machine gun.
The Bangerter machine gun is a belt fed, blow forward operated machine gun with a complicated belt feed device. Firing is from a trigger installed on top of the receiver that actuates a lever to a device at the front of the 15 barrels that fires the weapon. The belt feed is unusual and highly complicated as it chambers the rounds into a belt of chambers that lock into the barrels. When firing, the barrels move forward rotating the cluster. The rate of fire is also adjustable.