Check out Glock 19 Gen5 9x19 Low-poly 3D model on CGTrader for $2.5. High-quality mesh by dogukanerkal: 11591 polys, 11591 vertices. Textured, UV Mapped.
MA (Autodesk Maya, filesize: 1 MB), OBJ (OBJ, filesize: 1.76 MB), FBX (Autodesk FBX, filesize: 596 KB), SPP (Substance Painter, filesize: 6.85 MB)