Gc 20/55 (Germany)

This version of the Gc 20 was designed for use in armored vehicles, providing close-range anti-aircraft and anti-personnel defense.

Gc 20/71 (Germany)

This version of the Gc 20 was designed for use in armored vehicles, providing close-range anti-aircraft and anti-personnel defense.

Gc 20/56 (Germany)

A further refinement of the Gc 20, this version introduced a new type of ammunition with improved performance against armored targets.

Gc 20/72 (Germany)

A further refinement of the Gc 20, this version introduced a new type of ammunition with improved performance against armored targets.

Gc 20/57 (Germany)

This version of the Gc 20 was designed for use in towed anti-aircraft guns, providing a mobile and versatile defense against aerial threats.

Gc 20/58 (Germany)

A late-war variant of the Gc 20, featuring a simplified design and a focus on ease of production. It was primarily used for stationary anti-aircraft defense.

Gc 20/59 (Germany)

This version of the Gc 20 was designed for use in armored vehicles, providing close-range anti-aircraft and anti-personnel defense.

Gc 20/44 (Germany)

A further refinement of the Gc 20, this version improved the reliability and accuracy of the weapon. It was used in various roles, including anti-tank defense.

Gc 20/45 (Germany)

This version of the Gc 20 featured a redesigned recoil system, making it more compact and easier to transport. It was used in both stationary and mobile deployments.

Gc 20/46 (Germany)

A late-war variant of the Gc 20, featuring a simplified design and a focus on ease of production. It was primarily used for stationary anti-aircraft defense.