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RX-77-4 Guncannon II

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RX-77-4 Guncannon II




Unit Type

Prototype Artillery Mobile Suit


Model Number
  • RX-77-4
Developed from
First Seen

General Characteristics

Head Height
  • 18.0 meters59.055 ft
    708.661 in
Standard Weight
  • 52.7 metric tons
Pilot Accommodations
  • Pilot only (in standard cockpit in torso)
  • 2 x Vulcan Gun searchgray_iconsmall.png
  • Beam Cannon searchgray_iconsmall.png
  • Grenade Rack searchgray_iconsmall.png
    • ? x Hand Grenade searchgray_iconsmall.png
Special Equipments and Features
  • Targeting Sensor
Optional Equipment
  • BAUVA*XBR-L Beam Rifle searchgray_iconsmall.png

The RX-77-4 Guncannon II is a prototype artillery mobile suit, and is another mass-produced variant of the RX-77-2 Guncannon. It was first featured in the original design series Mobile Suit Variations (MSV).

Technology & Combat Characteristics

Near the end of the One Year War the Earth Federation Forces made another variant of the RX-77-2 Guncannon the RX-77-4 Guncannon II. The Guncannon II doesn't have the 240mm cannons like the Guncannon, instead equipping a beam cannon on its right shoulder and a precision targeting sensor on its left shoulder. By replacing the 240mm cannons with a beam cannon and a precision targeting sensor, the Guncannon II is a lighter mobile suit than the Guncannon.


  • Vulcan Guns
Dual, head-mounted, triple-barreled gatling cannons in caliber 60 millimeter. Each gun is loaded with 400 rounds of ammunition and fires at a rate of 1600 rounds per minute. Primarily for the elimination of aerial and light armor targets. With sustained fire, can cause damage to enemy mobile suits.
  • BAUVA*XBR-L Beam Rifle
The Guncannon II can be equipped with a larger and longer-range portable mega particle cannon. It is powered via an internal energy capacitor with an average charge of fifteen (15) rounds. Each beam is capable of tearing through the medium and heavy armor of enemy MS and MA. Maximum effective range of 2.8 kilometers.
  • Beam Cannon
  • Hand Grenades

Special Equipment & Features

  • Targeting Sensor


Eight RX-77-4 Guncannon II units were built at the recaptured California Base in North America and several Guncannon IIs participated in the Earth Federation Force's North American offensive.

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