101Leafy researched the games.
White Cannon

Made from Gravios Shell, this can even withstand lava. Sharp. Shelling Lv2
| Class | Gunlance |
|---|---|
| Rarity | 5 |
| Attack | 414 |
| Defense | +8 |
| Slots | 1 |
| Price | 30,000z |
Upgrades
| Upgraded from | White Gunlance |
|---|---|
| Upgrades into | Black Gunlance |
Upgrade tree from モンスターハンターポータブル 2nd G 公式ガイドブック (Enterbrain, 2008), page 756.