What can I substitute Hoppes #9 gun blue since its discontinued?

Question

lookin for some hoppes #9 gun blue where can i buy it?

Answer 1

http://www.gunaccessories.com/Hoppes/Blu...

Answer 2

http://www.midwayusa.com/eproductpage.ex...

Answer 3

Brownells Oxpho-blue is THE BEST cold blue available.

I have used it many times, on new, old, and very old guns.

http://www.brownells.com/aspx/NS/store/P...

Resulting in  a very deep blue that looks great.

Or, here is your #9, it stated discontinued but not out of stock

http://www.midwayusa.com/eproductpage.ex...