Heinrich Krieghoff was in Sewanee, Germany, where he demonstrated a gas-operated rifle to Adolph Hitler, Hermann Göring, Rudolf Hess and Paul von Hindenberg, possibly to gain favor for a military contract, which he received the following year to produce 10,000 Luger pistols. It is believed that Krieghoff offered Neptune Drillings to Göring and Hitler at this time. We do know that Göring, a German politician, military leader and leading member of the Nazi Party, owned a Kreighoff Drilling, which has been documented in books and period photos, and has his initials, H.G., engraved in the same location – bottom of...