-Skeletor-

Cut off those loose strings on the Combat shirt

Ditch the black balaclava, and get a helmet, no cam cover, and NVG mount and VIP IR strobe. If you can get a set of low profile goggles

Also from pictures I've seen, it looks like they are wearing Plate Carriers(look like Diamond Back) with a battle belt.

Ditch the knife on the shoulder. If you want a knife get a smaller one and something you can tuck behind a mag pouch on the side.

For the C8 get a Specter DR as your sight or a EoTech. Also painting the weapon tan/brown is an option.
Mod the combat shirt to have pockets and velcro

I'm at work so the connection isn't to good for youtube videos(long load time).. I'll add more comments later when I see the whole thing.