$2 Realistic Low-Poly Pistol 3D Model Handgun with PBR Textures 3D model by DIGETAL-FORGE. Available on CGTrader with 40000 polys and 119994 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 18.7 MB), FBX (Autodesk FBX, filesize: 27.1 MB), PNG (PNG, filesize: 45.4 MB), GLTF (glTF, filesize: 13.2 MB)