As to the "scrap", if you know what it is, and fits the bill, who cares if its secondhand or not. Steel is Steel.

“Some ideas are so stupid that only intellectuals believe them.”
― G. Orwell

"Why can't men kill big game with the same cartridges women and kids use?"
_Eileen Clarke


"Unjust authority confers no obligation of obedience."
- Alexander Hamilton