If you've found some bugs or in need with some simple changes like base color or mesh split feel free to contact me, i'm supporting quality of my content!
Textures are prepared for both UE and Unity engines. There is no huge differencies between 2k set and 4k set, but 4k packed anyway.
Laser beams material doesnt need any textures, just assign some transparent emissive material in engine.
Plasma and rocket containers, laser beams splitted as different meshes.