The 20 mm weapons had always had weak development perspectives, improving just enough to keep them useful.

With luck the big 25 mm weapon would work, or maybe the machine gun.

Larger 20 mm and 47 mm weapons were also produced.

By 1968 this was mainly composed of 37 mm and 57 mm radar-controlled weapons.

The 7.62 mm weapon spit a wild 5-round burst of fire that missed Lyons by inches.

Later in the war similar German halftracks mounted quadruple 20 mm weapons.

Rapid fire 20 mm calibres and 88 mm weapons were first used in Spain.

They weren't protecting a cargo of Arctic cod with 5.45 mm automatic weapons.

These new guns were not designed to fully replace the 45 mm and 76 mm weapons, but to complement them.

As much as Lester wanted to, he didn't shoot the 90 mm weapon.