Check out Plasma Rifle Low-Poly Low-poly 3D model on CGTrader for $6. High-quality mesh by max185war: 3018 polys, 1555 vertices. PBR, Textured.
BLEND (Blender, filesize: 105 MB), OBJ (OBJ, filesize: 336 KB), FBX (Autodesk FBX, filesize: 209 KB), TEXTURES (Textures, filesize: 102 MB)