https://gamesartist.co.uk/beretta-px4/
3D Artist Javid Shukurlu breaks down his efficient workflow technique for this Beretta PX4. In this article, he covers blockout & mid-poly prep through to high-poly, low-poly, UVs, baking, texturing & rendering.
https://www.artstation.com/shukurlujavid
https://www.artstation.com/artwork/y4l5d9