Patch Note v.1.5.10.0

Fixed the issue where multiple muzzle attachments could be stacked
Fixed multiple spots that could go underground
Fixed the issue where gunsmith table could abnormally obtain firearms
Fixed the issue where M4A1 DD purchase was missing attachments
Fixed the issue where some players’ in-game tasks might not complete
Fixed the issue where MICA reads armor durability incorrectly
Fixed the issue where M67 grenade in backpack had no collision with other grenades and could stack
Optimized descriptions for some tasks