The rifle mounted version has a similar loading mechanism to the American made M203.
It consists of a hand guard, sight, aluminum receiver assembly, barrel stop, and firing mechanism.
The weapon could be used by any front-line assault troops in need of a long range explosive.
[3] This version of the Type 91 can be mounted on the WZ-551 internal security armored vehicle.
The launcher is air-cooled, recoil operated, disintegrating metallic link-belt fed non lethal weapon.