Here you can find all Call of Duty Mobile free skins that they rewards during special events.
[Note] Some gun skins required you to log in on the specific day to obtain the reward.
DL-Q33 Deep Shark
How to get DL-Q33 Deep Shark in Call of Duty Mobile?
Log in on December 11 to redeem the DL-Q33 Deep Shark gun skin.
S36 Evil Clown
How to get S36 Evil Clown in Call of Duty Mobile?
Log in on December 21 to redeem the S36 Evil Clown gun skin.
Conclusion
When there are more free gun skins you will be seeing it here in our list. If we missed any skins make sure to tell us down below.