Check out Colt 1911 Hand Gun Low-poly 3D model on CGTrader for $15. High-quality mesh by n3600. PBR, Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 379 MB), FBX (Autodesk FBX, filesize: 379 MB), SPP (Substance Painter, filesize: 379 MB), TBSCENE (Marmoset Toolbag, filesize: 379 MB)