how do you make this kind of texture ?

Support Materials and Textures
1

can someone give me a link to some tutorials about how to make this kind of texture (Screenshot from payday 2 Ak 47) ?
and what’s those “hole and bolt” thingy called anyway in texturing CG ?

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2

The attachment seems to be invalid, thus nobody knows what you are trying to archive…

3

Here is his identical thread on stackexchange - seems he got an answer already…