Early developments of "Machinepistols". In the confines of the WW I trenches. Luger pistol with the 32-round drum magazine. Machine fire carbine version of the Mauser C96 pistol. Schmeisser's design known as the "Maschinen Pistole 18". Spanish selective fire copies of the Mauser C96. Bestegui Hermanos & Unceta & Cie