This step-by-step collectibles guide will show you the locations of all 19 Weapons and items (Supply boxes) in Mission 10 – Highrise of Call of Duty Modern Warfare III (2023). Here is the complete video link of all 19 collectibles.
1) Snapshot Pulse
Snapshot Pulse is on the 5th floor.


2) .50GS


3) Silenced COR-45

4) Silenced TAQ-M


5) Explosive Crossbow


6) Silenced Expedite 12


7) Incendiary MCW


8) Silenced MTZ Interceptor

9) Vel 46


10) Silenced Striker 9


11) Silenced Kastov 762


12) Minigun


13) LA-B 330


14) RPK


15) Incendiary Bryson 800


16) WPS Stinger


17) PDSW 528


18) Anti Armor Rounds


19) ISO Hemlock
