The following weapons were used in the film Screamers:
The primary weapon of the Alliance appears to be built around an AK-type rifle. This weapon is fitted with both a rocket launcher as well as a flame thrower.
Manurhin MR35 Punch
The weapon carried by members of the New Economic Block appears to be built around Manurhin MR35 Punch less-than-lethal riot gun.
Breaktop Flare Launcher
Hendricksson (Peter Weller) also is seen taking a breaktop flare launcher which resembles a German signal gun known as the Geco.