Check out Colt-Diamondback pistol Low-poly 3D model on CGTrader for $12. High-quality mesh by 3DBaKeR: 47791 polys, 48699 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 1.85 MB), PLY (Ply, filesize: 1.13 MB), 3DS (3D Studio, filesize: 189 Bytes), ABC (Alembic, filesize: 1.41 MB), FBX (Autodesk FBX, filesize: 2.23 MB), DAE (Collada, filesize: 2.55 MB), TEXTURES (Textures, filesize: 17 MB)