All the Sim items i was able to get on Xbox Series X
Sim Weapon
10mm pistol - Quartermaster
10mm Submachine Gun - Quartermaster
Assault Rifle - Quartermaster
Chinese Assault Rifle - for full CUD reverse pickpocket to Strike Team Infantryman other method is reverse pickpocket Chinese but it will have low CUD
Chinese Officer's Sword - use Gauss Rifle to knock back the Chinese Soldiers at Chinese Occupied Refinery
Chinese Pistol - reverse pickpocket Crimson Dragoon at the Listing Post
Combat Shotgun - Quartermaster
Fat Man - reverse pickpocket American T51-b Unit at the Chinese Pulse Field
Flamer - reverse pickpocket Chinese Flamer or trade with American T51-b Unit before he steps in the mine field
Gauss Rifle - Speech Check with Quartermaster or reverse pickpocket the Strike Team Infantryman
Jingwei's Shocksword - shoot off the General
Minigun - reverse pickpocket the American T51-b Unit
Jingwei's and quickly pick up off the ground
Missile Launcher - Quartermaster
Power Fist - Quartermaster
Silenced 10mm pistol - reverse pickpocket Strike Team Infantryman
Shiper Rifle - Quartermaster
Super Sledge - use Gauss Rifle to knock back the American T51-b Unit
Trench Knife - Quartermaster
Sim Armor
Army Mechanics Jumpsuit - reverse pickpocket the American Grease Monkey
Chinese Commando Hat - found on sandbags before going to Chinese Forward Camp Delta
Chinese General Hat - reverse pickpocket General Jingwei's with a Power Armor Helmet use the dialog storage we get from Sarah Lyons
Chinese Jumpsuit - reverse pickpocket General Jingwei's with Winterized Combat Armor
Chinese Stealth Armor - trade with Crimson Dragoon or reverse pickpocket the Winterized Combat Armor
Winterized Combat Armor - we can get more if remove the Armor when entering the Sim and pickpocket the Strike Team Infantryman
Winterized Combat Helmet - can get a extra one by pickpocket the Strike Team Infantryman and the Quartermaster
Winterized T-51b Power Armor - trade with American T51-b Unit before he steps in the mine field
Winterized T51-b Power Helmet trade with American T51-b Unit before he steps in the mine field