Designation: OM-04 Aro-gant Thunder
Zoid(s) For: Aro Saurer (mounts on back)
Weapons Added: Dual 105mm Machinegun
Equipment Added: Anchor x2
Cost: 24,700

The Aro Saurer has some good firepower, but its all very energy intensive. So, a few bright young men came up with the idea to give the Aro Saurer some shell-based weaponry. They stripped away the Twin Dual 105mm Beam Cannons and instead placed a mount onto the back, fitted with a dual barreled 105mm machinegun, and a large canister that holds around 25,000 rounds of ammunition. The machinegun fires at a rate of twelve shots per second per barrel (about 17 minutes and 20 seconds of continuous firing, if you're interested), and can move 30 degrees in all directions.

The recoil of the machinegun is quite savage, meaning that you have to lock down before firing this beast, unless you want your accuracy to be dipped into liquid nitrogen and shattered with a big hammer. The anchors that are provided are installed into the ankles, and are as tough as the rest of the Aro Saurer. The entire design is specifically for urban combat, where large areas can be sprayed at a very close range, because this gun is hellish inaccurate after 350m.