seems you got the pickup working, to get the gun working here's some tips:
tip 1: use 3ds max
tip 2: gun/hands/sleeve/gloves/everything on the same texture. no separate textures for guns
tip 3: Attach all meshes to bones that are attached to the hands, do not animate the mesh
tip 4: When the gun inevitably gets destroyed trying to export, remember your xform and normal modifiers which might save you
tip 5: kw-x export, if that doesnt work, try opening the .x in fragmotion then exporting to .x from there
tip 6:
