#7.65x20

In this fourteenth installment of Personal Defense Weapon Calibers, we’ll be looking at a highly minimalist incarnation of the PDW/SMG round: The 7.65x20mm French Longue. The story of the French Longue begins with the US entry to World War I and the brilliant inventors John D. Pedersen and John Moses Browning. Faced with the stalemate of trench warfare, these designers were tasked with finding a solution in the form of handheld autoloading weapons. Both came up with semiautomatic rifles firing small, low recoil .30 caliber rounds. Pedersen’s “Device” converted a standard M1903 rifle into a rapid fire semiautomatic, but it was Browning’s autoloading rifle and its .30-18 round (very similar to the .30 Pedersen used with the “Device”) which caught the eye of the French Ordnance officials. The .30-18 Browning, as it is called, was evidently cloned to become the 7.65x20mm Longue used with the interwar French Mle. 1935 pistols and MAS-38 submachine gun.