Also known as: ヘビーガン, RGM-109
A fictional manned combat giant robot from the Gundam Mechaverse. It first appeared in the Gundam F91 anime film from 1991.
RGM-109 Heavygun
The Earth Federation higher mobility next generation succesor to the Jegan standard mass production combat Mobile Suit. It was developed by Anaheim Electronics.
Succeded itself by the Jamesgun.