Check out Laser gun Low-poly 3D model purchase 3D model on CGTrader for $7. High-quality mesh by Aegis: 2065 polys, 2019 vertices. Textured, UV Mapped.
OBJ (OBJ, filesize: 14 MB), MAX (Autodesk 3ds Max, filesize: 14 MB), TBSCENE (Marmoset Toolbag, filesize: 14 MB), FBX (Autodesk FBX, filesize: 14 MB)