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 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.

The Birchwood Casey Fast-Acting Long-Lasting Spanish Perma Blue Liquid Gun Blue is designed for touching up scratches and worn spots or completely reblue most guns. One of its main strengths is its ease of application; it can be applied with simple swabs like Q-Tips without the need for heat, which is convenient for both beginners and experienced users. It offers a non-streaky, even blue-black finish, giving a professional look to your firearm.

However, it’s important to note that it doesn’t work on stainless steel, aluminum, or non-ferrous metals, limiting its compatibility to standard steel only. The product is highly rated for its durability, providing a long-lasting finish, although reports suggest that the liquid form darkens faster while the paste form builds a denser finish over time. Regarding color consistency, users generally report satisfactory results with an even and deep blue-black color. Drying time is relatively quick, which is practical for those needing to use their firearms soon after application.

Safety and environmental impact are not explicitly covered in the provided features, but the lack of required heat implies a safer application process. This product seems well-suited for serious shooters, collectors, and gunsmiths looking for a reliable touch-up or complete reblue solution for their steel firearms.