An anti-tank rifle is an anti-materiel rifle designed to penetrate the armor of armored fighting vehicles, most commonly tanks, armored personnel carriers, and infantry fighting vehicles. The term is
Soviet PTRS anti-tank rifle in a museum
Mauser 1918 T-Gewehr 13.2 x 92 mm anti-tank rifle at the Musée de l'Armée in Paris.
Polish kb ppanc wz. 35 7.92 mm anti-tank rifle was used extensively during the Polish Campaign.
The PTRS-41 is a World War II-era semi-automatic anti-tank rifle firing the 14.5×114mm cartridge.
PTRS
14.5mm anti-tank rifles PTRD-41 and PTRS-41
Sergei Simonov during a test of the PTRS-41 anti-tank rifle, firing 14.5×115mm rounds that he himself designed in 1941