Ẹrọ GCM wa nipataki fun ẹrọ cramping tramriring ẹrọ pẹlu iru ohun elo ikọlu ati iru ijanilaya Beneraring ẹrọ fun sisanra ti o buruju 4-80mm, o wa lati ṣe r2, r3, C2, C2Sius. Ni nini awọn awoṣe GCM-R3t, GCM-R3td, GCM-R3ar fun aṣayan ati aṣatunṣe ati aṣaṣe ati aṣa ti a kariaye fun ile-iṣẹ ibọn ibọn.
