10 Best Cold Bluing For Guns 2025 in the United States

The Birchwood Casey Perma Blue Liquid Gun Blue Finishing Kit is designed for gun owners looking to touch up or completely reblue their firearms. One of its standout features is its all-inclusive nature, providing everything needed for a professional-looking finish. The included cleaner and degreaser effectively preps surfaces by removing dirt, grease, and oil, which is crucial for achieving optimal results. The fast-acting Perma Blue liquid delivers a uniform blue-black finish, making it user-friendly for novices and seasoned users alike.

In terms of durability, the finish holds up well under normal conditions, but it may require reapplication over time, especially with frequent handling. Color consistency is generally good, providing a reliable result when the metal is properly prepared. The drying time is relatively quick, allowing users to complete projects without extensive waiting.

Compatibility is a strong point, as the product can be used on various metal types, catering to different firearms. However, users must ensure that the metal is clean and rust-free for the best outcome. On the downside, safety and environmental concerns should not be overlooked. While the product is formulated for ease of use, it is always best practice to use it in a well-ventilated area and follow safety instructions to minimize any potential hazards. Some users might also find that achieving an even deeper blue color may require multiple applications or additional techniques.

The Birchwood Casey E & F Super Blue Liquid Gun Blue 90 Ml is a popular choice for cold bluing firearms, as evidenced by its high customer rating of 4.6 out of 5 stars. This product is designed to offer an easy application process, making it suitable for both novice and experienced gun owners. The liquid form allows for precise application in localized areas, which can be ideal for touch-ups and small-scale projects.

Users appreciate its quick drying time, which allows for faster completion of the bluing process. In terms of durability, this product provides a reasonably long-lasting finish, though like most cold bluing solutions, multiple coats may be necessary to achieve the best results. Color consistency is generally good, offering a deep and rich blue-black finish that enhances the appearance of metal surfaces. However, achieving uniform results may require careful preparation and cleaning of the metal surface beforehand.

The Birchwood Casey E & F Super Blue is compatible with a variety of metal types, including steel and iron, which makes it versatile for different firearm models. Safety-wise, it's important to follow the instructions and use protective gear, as the chemical composition can be harmful if mishandled. Its environmental impact is typical for products in this category, so proper disposal and minimal use are recommended. In summary, this cold bluing solution stands out for its ease of use and effective results, though attention to preparation and safety is necessary for optimal performance.

The Birchwood Casey Fast-Drying Fast-Acting Presto Gun Blue Touch-Up Pen is designed for quick and easy touch-ups on worn or scratched gun surfaces. One of its main strengths is ease of application; the pen form factor allows for precise touch-ups without the mess associated with traditional bluing methods. It features a fine tip that can reach into tight spaces, making it convenient for detailed work. Users have found it effective with one coat often being sufficient due to its instant penetration and fast drying properties.

This pen is particularly useful for those who need a quick fix on non-stainless steels, as it offers a durable blue-black finish that resists rubbing off. It may not be suitable for large areas but excels in addressing minor nicks and scratches. The product’s compatibility with various metal types, excluding stainless steel, makes it versatile for most gun owners. In terms of safety and environmental impact, the pen minimizes the risk of spills and drips, making it a safer option compared to liquid bluing products.

While it has received positive reviews for its performance, it’s important to note that the color consistency might vary slightly depending on the user’s technique and the metal’s condition. This pen is ideal for shooters, collectors, and gunsmiths who need a reliable tool for maintaining the appearance of their firearms.