High-Tenacity Fibers · Hidden Cache

Call of Duty: Modern Warfare 4Season 1, 2026Last updated:

RareIngredient$500

Found primarily in the Chang-san Air Base armory, barracks, the Songdo Wharf La Grande Vie rooftop and the X01 Production Assembly.

Used to craft: Durable Gas Mask, Consumable Box, Ballistic Fabric, Medium Weapon Backpack, Large Scavenger Backpack, Uncommon Ingredient Printing, Vendor Item Upgrade II, Stash Weapon Upgrade II.

HajinX01
≤0.29%0.90%2.9%Total Chance per spawn point, log scale

Details

Hidden Cache
Avg. Chance
2.8%
Best Chance
2.9%
Spawn Chance
96%
Spawn Points
59 of 59 can hold it