Hey guys!
This is S&W 627 V-Comp low-poly game ready model (~15K tris).
I used Blender for modeling and rendering (Eevee), Marmoset Toolbag for texture baking and Substance Painter for texturing.
For comparison here is link to renders in Marmoset Toolbag and Substance Painter:
https://www.artstation.com/artwork/qALaRy