101Leafy researched the games.
White Gunlance

Made from Gravios Shell, this can even withstand lava. Sharp. Shelling Lv1
| Class | Gunlance |
|---|---|
| Rarity | 4 |
| Attack | 368 |
| Defense | +8 |
| Slots | 0 |
| Price | 4,900z |
Upgrades
| Upgraded from | Steel Gunlance |
|---|---|
| Upgrades into | White Cannon |
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.