Ar 15 gas block installation

[Gun strike]

Hello where In the country I can find a gunsmith for ar15 gas block installation?!

Thanks a lot

 

[45C]

You tube ? Maybe?

 

[Blastattack]

What kind of gas block is it? If it's one of the many aftermarket ones that clamp or set screw on, you don't need to go and pay someone to do it.

 

[Gun strike]

A2 front sight!