Check out Nuke Shotgun Low-poly 3D model on CGTrader for $14. High-quality mesh by jachymcambal: 11786 polys, 6083 vertices. PBR, Textured, UV Mapped.
FBX (Autodesk FBX, filesize: 84.1 MB), BLEND (Blender, filesize: 2.36 MB), OBJ (OBJ, filesize: 843 KB), FBX (Autodesk FBX, filesize: 84.1 MB)