A Liquid like metal coating that can be applied to 5 of the UNCS weapons ( Assault Rifle, Pistol, Shotgun, Commado and Battle Rifle ) will be in effect Feburary 24th through 26th to those who are interested. Weapon’s coating is named Death Hex.
https://www.reddit.com/r/halo/comments/10x9iw2/hcs_charlotte_twitch_drops/
Where I go the information, and a picture of the coating itself.