Gigalith @ Leftovers  
Ability: Sand Stream  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Stealth Rock  
- Toxic  
- Explosion  
- Rock Blast  

Gigalith @ Focus Sash  
Ability: Sand Stream  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Toxic  
- Protect  
- Substitute  
- Rock Blast  

Gigalith @ Assault Vest  
Ability: Sturdy  
EVs: 252 HP / 252 Atk  
Adamant Nature  
- Earthquake  
- Superpower  
- Stone Edge  
- Heavy Slam  

Gigalith @ Choice Specs  
Ability: Sand Force  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Earth Power  
- Hidden Power [Ice]  
- Power Gem  
- Flash Cannon  

Gigalith @ Choice Band  
Ability: Sand Force  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Rock Blast  
- Superpower  
- Earthquake  
- Heavy Slam  

Gigalith @ Life Orb  
Ability: Sand Force  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Rock Polish  
- Stone Edge  
- Earthquake  
- Superpower