Check out Weaponies - Colt25 Low-poly 3D model on CGTrader for $2. High-quality Polygon mesh mesh by dSyncro: 676 polys, 357 vertices. Rigged, UV Mapped.
BLEND (Blender, filesize: 668 KB), OBJ (OBJ, filesize: 40.5 KB), FBX (Autodesk FBX, filesize: 95 KB), GLTF (glTF, filesize: 112 KB), DAE (Collada, filesize: 112 KB), ABC (Alembic, filesize: 48.3 KB)