RGM-111X Heavygun II — Specifications, Lineage & Appearances
RGM-111X
RGM-111X Heavygun II at a glance
- Timeline
- Universal Century
- First appearance
- Mobile Suit Gundam F91 Silhouette Formula (1992)
- Developed from
- F70 Cannon Gundam, RGM-109 Heavygun
- Led to
- 2 units — RGM-111 Hardygun, RGM-111Y Proto Hardygun
- Gunpla kits
- None catalogued yet — know one? suggest it
Interactive development tree and full data sheet: www.mobilesuit.dev/mobile-suit/rgm-111x-heavygun-ii

The RGM-111X Heavygun II is a prototype assault mobile suit from the Universal Century timeline of the Gundam franchise. It was manufactured by Anaheim Electronics. Within the franchise it is considered canon.
The RGM-111X Heavygun II (RGM-111X ヘビーガンII, hebīgan II?) is a variant of RGM-109 Heavygun, introduced in manga Mobile Suit Gundam F90: Fastest Formula.
Within the story, the RGM-111X Heavygun II first appears in 0111 U.C. and was last seen in 0116 U.C.
The RGM-111X Heavygun II was developed from F70 Cannon Gundam and RGM-109 Heavygun. It in turn led to 2 derived units — RGM-111 Hardygun and RGM-111Y Proto Hardygun. Both directions are mapped on the interactive tree above.
The RGM-111X Heavygun II has appeared in 5 Gundam releases across 1992–2024, debuting in Mobile Suit Gundam F91 Silhouette Formula (1992). Later appearances include Gundam Build Fighters, Gundam Build Fighters Try, Mobile Suit Gundam F90: Fastest Formula and Mobile Suit Gundam F90 Cluster.
It was fielded by Anaheim Electronics.
Specifications
- Model number
- RGM-111X
- Classification
- Prototype Assault Mobile Suit
- Production type
- Prototype
- Manufacturer
- Anaheim Electronics
- Universe
- Universal Century
- Canon status
- canon
- Weight
- 23.30 t
- Power source
- Minovsky Ultracompact Fusion Reactor
- Power output
- 3070 kW 4,116.938 hp
- Armor
- Gundarium Alloy Ceramic Composite
- First seen
- 0111 U.C.
- Last seen
- 0116 U.C.
Production Timeline
The RGM-111X Heavygun II has appeared in 5 releases from 1992 to 2024.
- 1992 — Mobile Suit Gundam F91 Silhouette Formula (debut)
- 2013 — Gundam Build Fighters
- 2014 — Gundam Build Fighters Try
- 2019 — Mobile Suit Gundam F90: Fastest Formula
- 2024 — Mobile Suit Gundam F90 Cluster
Development Lineage
Developed from
Develops into & variants
Frequently asked questions about the RGM-111X Heavygun II
- What is the RGM-111X Heavygun II?
- The RGM-111X Heavygun II is a prototype assault mobile suit from the Universal Century timeline of the Gundam franchise. It was manufactured by Anaheim Electronics. It is considered canon within the franchise. In U.C. 0116 the Heavygun II is seen at Mobile Suit show in Paris.
- What was the RGM-111X Heavygun II developed from?
- The RGM-111X Heavygun II was developed from F70 Cannon Gundam and RGM-109 Heavygun. Its full development lineage is mapped on the RGM-111X Heavygun II evolution tree.
- What mobile suits were developed from the RGM-111X Heavygun II?
- 2 units were developed from or built as variants of the RGM-111X Heavygun II: RGM-111 Hardygun and RGM-111Y Proto Hardygun.
- Which factions operated the RGM-111X Heavygun II?
- The RGM-111X Heavygun II was operated by Anaheim Electronics.
- How big is the RGM-111X Heavygun II?
- The RGM-111X Heavygun II weighs 23.30 t, produces 3070 kW 4,116.938 hp, is armoured in Gundarium Alloy Ceramic Composite.
- Which Gundam series does the RGM-111X Heavygun II appear in?
- The RGM-111X Heavygun II appears in 5 Gundam releases, debuting in Mobile Suit Gundam F91 Silhouette Formula (1992): Mobile Suit Gundam F91 Silhouette Formula, Gundam Build Fighters, Gundam Build Fighters Try, Mobile Suit Gundam F90: Fastest Formula and Mobile Suit Gundam F90 Cluster.
Explore the full interactive development tree for the RGM-111X Heavygun II above, or browse every Gundam mobile suit. Reference: Gundam Wiki.