Gx. 18 (Type 18)
A Japanese 9.2 mm anti-tank rifle used during World War II. It was a powerful weapon designed to penetrate the armor of early tanks.
Gx. 21 (Type 21)
A Japanese 9.2 mm heavy machine gun used during World War II. It was a more powerful version of the Type 19 machine gun and was used primarily for air defense.