Bluing (steel) (English Wikipedia)

Association, National Rifle. "NRA Family | Gun Manufacturing: Browning vs. Bluing". NRA Family. Archived from the original on December 3, 2022. Retrieved 2022-05-31.

web.archive.org

"How To Remove Rust From A Gun Without Damaging Bluing? – Ballachy". Archived from the original on March 23, 2023. Retrieved 2021-08-30.
"Cold Blue Data Sheet" (PDF). www.birchwoodcasey.com. Archived from the original (PDF) on June 3, 2023. Retrieved 2022-05-31.
"Bluing of Steel by Heat Treatment: Why and How it Happens? | Alpha Detroit". 2017-09-28. Archived from the original on March 25, 2023. Retrieved 2022-05-31.
"BLACK STEEL in 10 minutes: CAUSTIC BLUING Tutorial (with Household Materials)". youtube.com. Backyard Ballistics. May 3, 2023. Archived from the original on June 5, 2023. Retrieved June 5, 2023.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
Association, National Rifle. "NRA Family | Gun Manufacturing: Browning vs. Bluing". NRA Family. Archived from the original on December 3, 2022. Retrieved 2022-05-31.
"Rust Bluing Tutorial – Turn any Steel Object Black With Household Materials". youtube.com. Backyard Ballistics. April 11, 2023. Archived from the original on June 5, 2023. Retrieved June 5, 2023.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
"Quick rust bluing--- Back in black!". My peculiar nature. 27 August 2014. Archived from the original on 25 Mar 2023.^{[self-published source]}
Borden Radio Company (December 27, 2010). "Radio Kits and Designs for Old and New Styles". Xtalman.com. Archived from the original on February 17, 2023. Retrieved September 3, 2012.

Borden Radio Company (December 27, 2010). "Radio Kits and Designs for Old and New Styles". Xtalman.com. Archived from the original on February 17, 2023. Retrieved September 3, 2012.