Run with the fox:

I really appreciate your efforts to write me in spanish, but a lot of what you write (for sure an internet transaltion) does not mean anything coherent.
You can write me in english; I will understand you quite well!
"Between lines" I understand that is better to weld the barrel hook, but I do not understand with what procedure (plasma?)
I fear to weld any part in a firearm because normally the generated heat soften the steel.

Best

Jose M. Fernandez