https://gamesartist.co.uk/aks-74u-handguard/
Prop Artist Colin breaks down the creation of a realistic AK Handguard. In this article, he covers references, blockout, high & lowpoly modelling, UVs, baking, detailed wood & metal texturing, wear creation, lighting and rendering.
https://www.artstation.com/certainlynotcolin
https://www.artstation.com/artwork/3ErGNA