Birchwood Casey Perma Blue Liquid Gun Blue is formulated to touch up scratches and worn spots or to reblue many steel firearm parts. The product produces a uniform, non-streaky blue-black finish on properly prepared steel surfaces. Perma Blue will not blue stainless steel, aluminum, or non‑ferrous metals and must be applied only to clean, rust-free parts. It is commonly used for gunsmithing, restoration, and routine firearm maintenance.
Key Specifications
- The bottle contains 3 fl. oz. of liquid bluing.
- Formulated as a fast-acting liquid for timely touch-ups.
- Delivers a non-streaky, uniform blue-black finish on compatible steel.
- Effective on steel but will not blue stainless steel, aluminum, or non‑ferrous metals.
- Packaged in a plastic bottle for controlled application.
- Intended for touching up scratches and reblueing most guns when parts are cleaned and free of rust.
- Suitable for firearms maintenance and gunsmithing tasks.
- Manufacturer master pack is a case of 6 for bulk orders.
- Package dimensions are 1.55 x 3.80 x 7.35 (as supplied).
Perma Blue Liquid offers a practical, professional-grade option for preserving and restoring the finish on steel firearm components. When used on properly prepared parts, it provides a dependable, uniform blue-black appearance that helps keep older or frequently used items looking maintained. Add Perma Blue to your maintenance kit for straightforward, repeatable touch-ups and rebluing tasks performed in a workshop or gunsmithing environment.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




