The Rattler Ammo Pouch determines the number of each type of Rattler bolt that can be carried in the inventory.
Aloy begins Horizon Zero Dawn with a carry capacity of 40 of each type of bolt: Freeze Bolts, Metal Bolts, and Shock Bolts. The number increases as the pouch is upgraded through crafting.
Crafting[]
| Upgrade | Capacity | Crafting Cost |
|---|---|---|
| 1 | 60 |  510 Ridge-Wood 1 Chillwater |
| 2 | 80 | 20 5 Fatty Meat 1 Rat Bone |
| 3 | 100 | 125 1 Fish Bone 1 Rat Skin |
| 4 | 120 | 500 200 Ridge-Wood 1 Fish Skin |