Wholesale 🧨 Birchwood Casey Aluminium Black 3oz ❤️

The chemical used by gunsmiths around the world to blacken aluminium parts at room temperature. This liquid can be used on new parts as well as old parts needing to be restored. With zero-dimensional change and fast-acting technology, you can apply with ease. Colour will vary from deep grey to black depending on the alloy to which it is being applied.