I provided two blender files the one that says Sci_Fi Grenade_Finall is the one with the PBR textures like in the thumbnail, and the one named Sci_Fi Grenade_Collection Is a file collection shown in the second image. Decals are not included
BLEND (Blender, filesize: 119 MB), FBX (Autodesk FBX, filesize: 2.57 MB), PNG (PNG, filesize: 61.6 MB)