Check out Phaser Gun Type 1 Classic Low-poly 3D model on CGTrader for $23.1. High-quality mesh by DanielMikulik: 800 polys, 820 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 109 KB), MA (Autodesk Maya, filesize: 200 KB), MAX (Autodesk 3ds Max, filesize: 1.55 MB), BLEND (Blender, filesize: 811 KB), 3DS (3D Studio, filesize: 60 KB), FBX (Autodesk FBX, filesize: 81.1 KB), TEXTURES (Textures, filesize: 69.9 MB)