Here are all the free skins that you can unlock in Call of Duty Mobile Season 3 without paying any money.
The skins can be gun or character from COD Mobile Season 3 that you can get it for free
COD Mobile Season 3 Free Gun Skins
DL Q33 - Heart
Play 5 Multiplayer ranked match.
PDW57 - Lunar New Year
Participated in Lunar New Year event.
LK24 - Lunar New Year
To get LK24 Lunar New Year you need to exchange 30 holiday knot in Lunar Festival limited time event.
M4LMG - Gridiron Football
Collect 50 Firecrackers to unlock M4LMG - Gridiron Football, Claim this gun skin in Event: Firecrackers Collection Milestones. (Time-Limited).
Striker - Irradiated Amethyst
In order to get Striker Irradiated Amethyst you need to reach tier 25 in Battle Pass Season 3 free version.
AK47 - Tank
In order to unlock AK47 Tank you need to play multiplayer rank match till you reach Master 2 rank in Season 3.
Locus - Yellow Snake
In order to unlock Locus Yellow Snake you need to play multiplayer rank match till you reach Pro 2 rank in Season 3.
SMRS - Yellow Snake
In order to unlock SMRS Yellow Snake you need to play multiplayer rank match till you reach Elite 2 rank in Season 3.
Arctic.50 - Gridiron Football
In order to unlock Arctic.50 Gridiron Football you need to play 5 multiplayer rank match.
J358 - Gridiron Football
In order to unlock J358 Gridiron Football you need to reach 120XP in Weekly Challenge time limited event.
COD Mobile Season 3 Free Character Skins
Special Ops 3 - Arctic
To get Special Ops Arctic you need to exchange 16 holiday knot in Lunar Festival limited time event.
Merc 5 - Yellow Snake
In order to get Merc 5 Yellow snake you need to play battle royale rank match till you reach Master 2 rank in Season 3.
In order to unlock Outrider Arctic character you need to link your COD Mobile account with Call of Duty account. (This is only working in Global server).
Call of Duty Mobile Season 3 has just started for 3 days and you can get 3 skins for free already. More amazing skins is coming soon!
Make sure to keep up with this post if you want to get all the free skins. Leave your comment down below if i miss anything.