FOOTAGE ABOVE Automatic Weapons: American vs. German Film bulletin from the war department outlining the advantages of American automatic weapons compared to Germany’s. WarStories ABOVE PHOTO M1919A4 .30-caliber Light Machine Gun The air-cooled Caliber .30 ‘A4 was much more portable than the heavy M1917A1 water-cooled weapon, but also less accurate and less stable. Fully automatic, …