The Tankgewehr M1918, also known as the Mauser 13mm anti-tank rifle and T-Gewehr in English, is a German anti-tank rifle—the first rifle designed for the sole purpose of destroying armored targets—and
13.2 mm Rifle Anti-Tank at the Musée de l'Armée in Paris
Imperial German Army soldiers firing a Mauser 1918 T-Gewehr
Comparison of a standard .303 British rifle cartridge and a 13.2 mm T-Gewehr cartridge
The Maschinengewehr 18 Tank und Flieger or MG 18 TuF, is a German dual-purpose heavy machine gun that was designed to fill both anti-tank and anti-aircraft roles. Developed at the end of the First Wor