Gc 20/47 (Germany)

This version of the Gc 20 was designed for use in aircraft, providing close-range defense against enemy fighters and bombers.

Gc 20/48 (Germany)

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

Gc 20/49 (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 20/50 (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 20/51 (Germany)

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

Gc 20/52 (Germany)

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

Gc 20 (Germany)

A German World War II era 20mm anti-aircraft cannon, known for its effectiveness against low-flying aircraft and its use in both stationary and mobile deployments.

Gc 20/38 (Germany)

A modified version of the Gc 20 anti-aircraft cannon, featuring a longer barrel and improved accuracy. It was primarily used by the German Navy and coastal defenses.

Gc 20/40 (Germany)

Another variant of the Gc 20 anti-aircraft cannon, this time with an even longer barrel and a higher rate of fire. It was used in both stationary and mobile configurations.

Gc 20/41 (Germany)

This version of the Gc 20 introduced electric firing mechanisms and a redesigned breech. It was used in various roles, including anti-tank defense.