Here is a submachine gun, I have modeled and textured for a game project.
The concept was created by peter.k
Lowpoly (game-ready): Yes
Geometry: Subdivision ready
UV Mapping: Yes
Unwrapped: UVs Non-overlapping
Sketchfab 3D-Preview: https://sketchfab.com/models/nyWUiK6zmxBM5xpmP6mc7ZcXO76