RGM-109 Heavygun


Model number: RGM-109
Code name: Heavygun
Unit type: combat mobile suit
Manufacturer: Anaheim Electronics
Operator: Earth Federation Forces
Rollout: UC 0109
Accommodation: pilot only, in panoramic monitor/linear seat cockpit in torso
Dimensions: head height 15.8 meters
Weight: empty 9.5 metric tons; max gross 23.5 metric tons
Armor materials: Gundarium alloy ceramic composite
Powerplant: Minovsky type ultracompact fusion reactor, output rated at 2,870 kW
Propulsion: rocket thrusters: 82,260 kg total (2 x 21,250 kg, 4 x 9,940 kg); vernier thrusters/apogee motors: 59
Equipment and design features: sensors, range unknown; weapon mount, used to carry beam rifle, located on rear skirt armor plate
Fixed armaments: 2 x vulcan gun, mounted in head; 2 x 4-slot hand grenade rack, mounted on hip armor plates
Optional fixed armaments: shield, mounted on either forearm; 2 x beam saber, weapon rack/storage location unknown, hand-carried in use
Optional hand armaments: beam rifle, powered by rechargeable energy cap, can be stored on weapon mount

While the Strategic Naval Research Institute is proceeding with its “Formula Project” to develop smaller, more efficient and high-performance mobile suits for the Earth Federation Forces, civilian contractor Anaheim Electronics was also hard at work on its own smaller, next-generation mobile suit. Their first successful result in this venture was the RGM-109 Heavygun, a mass-produced general purpose unit intended to replace the aging RGM-89J Jegan Type J. Despite its small size and the fact that its reactor output wasn’t much greater than the old Jegan Type J, the Heavygun was faster and more maneuverable, and still just as capable of using beam weapons as its larger predecessors. The Heavygun proved itself to be a popular machine, and it remained in the service of the EFF for many years, with some units even making their way into civilian and local colony militia forces.

Pilot(s): Birgit Pirjo, Wilder Katz
First appearance: Mobile Suit Gundam F91
Original mechanical designer: Kunio Okawara


Beam rifle


Beam rifle mount


Cockpit hatch


Grenade rack




Rear view





Gundam F91 Info

Yoshiyuki Tomino

Yoshiyuki Tomino
Tsunehisa Ito

Mechanical Designer(s):
Kunio Okawara
Yoshikazu Yasuhiko

Character Designer:
Yoshikazu Yasuhiko

Musical Composer:
Satoshi Kadokura

1 movie

Theatrical Release:
Japan 03.16.1991


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