Am I missing anything?

[SIGP2101]

Originally Posted by Terry Tiell

I read the sticky for rust bluing and it is recommended to mix in sodium nitrate to give it more of a blue black finish then the brown black finish the rust bluing formula by itself makes. All I know is I want my Luger to have the same finish as the ones pictured in the sticky!

Ah, I see. But formula is fun, it lists
Hydrogen Chloride 2X ? I am confused HCL is gas.