u/jakeslogan

Helmet: Sangar Grey/Black
Jacket: Vagabond
Arms: ADP Black
Legs: Inquisitor Black Steel
Gun: P6-LR

Jacket: Misfit Veritas
Helmet: Butcher (Xenothreat) / Deadhead Bruiser
Arms: ORC-mkX (Xenothreat)
Legs: Lynx Lichen
Undersuit: Levin (Refurbished)
Glasses: Apex
Gun: P6-LR

S2 suppressor is a bit small for the P6-LR barrel. I put on a S3 and it looks much better.

Helmet: Paladin Black/Silver
Core: Ixonia Verdant Steel + Outback Molten + Microd Battlesuit Crucible
Legs: Inquisitor Black Steel
Undersuit: Levin (Refurbished)
Backpack: Warden

Glasses: Aponte Explorer Goggles (loot from NPC in bunkers)
Jacket: TrueDef-Pro Core White/Silver/Grey (buy from shop or loot from NPC in 890 boarding mission)
Gloves: Lynx Arms Ferrum (random loot in Onyx)
Pants: Koal Pants (loot from NPC in New Babbage)
Boots: Ivers Boots Black (buy in New Babbage)
Backpack: Geist Backpack (loot in Onyx)

Big thanks to u/ESC907 and his guide here. This works with any undersuit though it's not as amazing as the stuff with the invisble undersuit but if you just want to wear a jacket and a undersuit this is the best way.

Thank to u/SINILIAN's post here, after messing around I found a new exploit to kill people in armistice zone. Please create an IC for this before it get worse.

IC link https://issue-council.robertsspaceindustries.com/projects/STAR-CITIZEN/issues/STARC-212969