Cold Bluing Revisited: Brownell's Oxpho Blue Part 2
This guide details the process of cold bluing a Finn M91 rifle using Brownell's Oxpho-Blue, emphasizing meticulous metal preparation. The speaker, demonstrating high-level gunsmithing skills, walks through sanding, polishing, degreasing, and applying the bluing solution. Proper surface preparation and the use of heat are highlighted as crucial for achieving a professional, durable finish that mimics the original military blue.











