101Leafy researched the games.
King Lobster Gun

Uses quality shell to raise power. Capable of waterfalllike Water S Rapid Fire.
| Class | Light Bowgun |
|---|---|
| Rarity | 6 |
| Attack | 228 |
| Slots | 0 |
| Reload | Average |
| Recoil | Medium |
| Rapid Fire | Water S ×3 (60% power per shot, short recovery) |
| Table price | 2,525z |
Listed in the equipment tables of 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 768.
Ammo
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 768.
Materials
Lg Lobstershell ×2, Plesioth Fin+ ×4, Plesioth Scale+ ×5, King Scarab ×6