Finaly I found time to end this project it was very interesting experience now I want to show the result hope you like it subscribe and leave a comment. Thank you!
Each logical part that can be replaced has its own texture (square or non-square, texel on the outer surfaces of 60 px/cm), which will allow to change and modify this weapon in the future.
Rigged hands were bought from Eugene Petrov
https://www.artstation.com/marketplace/p/VOBqy/scan-based-fps-hands?utm_source=artstation&utm_medium=referral&utm_campaign=homepage&utm_term=marketplace
Table from Quixel Megascans.