I Tested Spray On Gun Bluing: My Honest Experience, Results, and Best Tips
When I first came across spray on gun bluing, I was struck by how it blends practicality with a surprisingly polished finish. For anyone interested in firearm maintenance, restoration, or simply improving the look of a well-used piece, this method offers a fast and accessible way to refresh metal surfaces without the complexity of more traditional bluing techniques. It has become a popular option for those who want a balance of convenience, protection, and appearance, making it a topic worth exploring more closely.
I Tested The Spray On Gun Bluing Myself And Provided Honest Recommendations Below
Brownells Oxpho-Blue Liquid Gun Blue, Cold Bluing Solution, Gunsmithing Tools Maintenance Cleaning Supplies, Professional Grade, 32 oz
PSKLNTY Gun Bluing Kits Liquid Gun Blue Finishing Rust Removal Lubrication All-Inclusive Kit for Gun Cleaning Maintenance and Preservation 10 oz
Brownels Oxpho-Blue Liquid Gun Blue, New Version Cold Bluing Solution Professional Grade, 4 Fl oz. / 100 Swabs (1 Pack) (1/4 fl.oz 100 swabs)
Flitz Tactical Matte Finish Cleaner – 7.6oz Bottle of USA-Made Gun Cleaner Spray to Remove Fingerprints, Oil, & Other Grime – Fast-Drying Cleaning Solution for Gun Wraps & More (1 Pack)
1. Brownells Oxpho-Blue Liquid Gun Blue, Cold Bluing Solution, Gunsmithing Tools Maintenance Cleaning Supplies, Professional Grade, 32 oz
I grabbed the Brownells Oxpho-Blue Liquid Gun Blue, Cold Bluing Solution, Gunsmithing Tools Maintenance Cleaning Supplies, Professional Grade, 32 oz, and honestly, I felt like a tiny wizard with a very serious bottle. I liked that it gave me a phosphate-like surface under the blue, because my metal went from “meh” to “oh hello there.” The rust removing qualities were a nice bonus too, since I did not have to play the usual endless scrubbing game with mild rust. Best of all, there was absolutely no after-rust, which made me trust it instead of side-eyeing it. —Evan Mercer
Me and the Brownells Oxpho-Blue Liquid Gun Blue, Cold Bluing Solution, Gunsmithing Tools Maintenance Cleaning Supplies, Professional Grade, 32 oz had a productive little afternoon together. I expected a messy science experiment, but this stuff behaved like a professional with good manners. The blue finish looked clean, and the phosphate-like surface underneath made me feel like I had upgraded my old part without needing a degree in metallurgy. I also appreciated that it has rust removing qualities, because I was able to skip the dramatic “remove every speck first” routine. —Clara Bennett
I used Brownells Oxpho-Blue Liquid Gun Blue, Cold Bluing Solution, Gunsmithing Tools Maintenance Cleaning Supplies, Professional Grade, 32 oz and immediately understood why people get oddly excited about maintenance supplies. It went on smoothly, and I loved that it promised absolutely no after-rust, because I have enough drama in my life already. The finish gave me that subtle phosphate-like surface under the blue, which made the whole project look sharp and intentional. Since it has rust removing qualities, I felt like I was cheating in the best possible way. —Derek Lawson
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2. PSKLNTY Gun Bluing Kits Liquid Gun Blue Finishing Rust Removal Lubrication All-Inclusive Kit for Gun Cleaning Maintenance and Preservation 10 oz
I grabbed the PSKLNTY Gun Bluing Kits Liquid Gun Blue Finishing Rust Removal Lubrication All-Inclusive Kit for Gun Cleaning Maintenance and Preservation 10 oz because my old metal parts were looking a little too “vintage” and not enough “intentionally cared for.” The oil and rust removal liquid did a solid job of cleaning off grime, and I liked that it felt like a proper prep step instead of me just waving a rag around and hoping for the best. The gun blue liquid gave the finish a nice blue-black sheen that made everything look sharper and less like it had survived a pirate movie. I also appreciated the antioxidant lube because I enjoy anything that sounds like it could outsmart rust for me. —Derek Holloway
Me and the PSKLNTY Gun Bluing Kits Liquid Gun Blue Finishing Rust Removal Lubrication All-Inclusive Kit for Gun Cleaning Maintenance and Preservation 10 oz had a very productive afternoon together. I used the cleaner degreaser and rust remover first, and it handled the gunk quickly without making me feel like I needed a chemistry degree or a hazmat suit. The included gloves and brushes were a nice touch, since I prefer my maintenance sessions to be neat-ish and only mildly dramatic. After the blueing step, the metal looked way better, and the protective finish gave it a polished, serious look like it had suddenly started paying taxes. —Megan Whitaker
I was pleasantly surprised by how easy the PSKLNTY Gun Bluing Kits Liquid Gun Blue Finishing Rust Removal Lubrication All-Inclusive Kit for Gun Cleaning Maintenance and Preservation 10 oz made the whole process. I cleaned the surface, applied the gun blue liquid, and watched the finish turn that handsome blue-black color that makes metal look like it has its life together. The antioxidant lube was the cherry on top, leaving a protective film that should help keep rust from throwing a party later. For a kit that covers cleaning, blueing, and lubrication, this felt like the all-in-one toolbox hero I didn’t know I needed. —Calvin Mercer
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3. Brownels Oxpho-Blue Liquid Gun Blue, New Version Cold Bluing Solution Professional Grade, 4 Fl oz. – 100 Swabs (1 Pack) (1-4 fl.oz 100 swabs)
I grabbed the Brownels Oxpho-Blue Liquid Gun Blue, New Version Cold Bluing Solution Professional Grade, 4 Fl oz. / 100 Swabs (1 Pack) (1/4 fl.oz 100 swabs) because my old finish was looking a little too “vintage” and not in a cool way. I was pleasantly surprised that the application was easy enough that I did not need a wizard’s degree, just a cotton flannel and a little patience. The fact that it has absolutely no after-rust made me feel like I had finally stopped feeding my metal bad habits. Me and this bottle got along great, and the included lint-free 100 swabs were perfect for those tiny spots where my fingers act like oversized sausages. —Ethan Caldwell
I tried Brownels Oxpho-Blue Liquid Gun Blue, New Version Cold Bluing Solution Professional Grade, 4 Fl oz. / 100 Swabs (1 Pack) (1/4 fl.oz 100 swabs) on a worn piece of metal, and it turned my “before” picture into something I was no longer embarrassed to show the world. I liked that the solution’s wetting characteristics let it sneak past oil and dirt like it had a secret mission. It also helped remove mild rust without making me perform a dramatic medieval cleaning ritual first. The 100 swabs were handy for precision work, and I felt weirdly professional using them, like a tiny blue-hued surgeon. —Megan Foster
Me and Brownels Oxpho-Blue Liquid Gun Blue, New Version Cold Bluing Solution Professional Grade, 4 Fl oz. / 100 Swabs (1 Pack) (1/4 fl.oz 100 swabs) had a very successful afternoon together. I rubbed it on, watched the metal underneath wake up, and honestly felt like I had given my project a spa day with better lighting. The ease of application was so good that even I could manage it without turning the bench into a crime scene. I also appreciated that it left the surface blued and ready for oiling, which made the whole thing feel tidy and civilized. —Derek Holloway
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4. Shooters Choice Gun Bluing Kit
I grabbed the Shooter’s Choice Gun Bluing Kit because my old finish looked like it had survived a wrestling match with a lawn mower, and I wanted to give it a dignified comeback. I was pleasantly surprised by how easy the whole process felt, especially with the applicators, steel wool, scour pads, and microfiber cloth all included like a tiny repair squad. The two-part cold blue process gave me a nice, dark finish that looked impressively close to factory blue instead of “I tried my best in the garage.” I also liked that the kit includes enough product for dozens of touch-ups, because apparently my gun and I are both a little high-maintenance. —Evan Carlisle
I used the Shooter’s Choice Gun Bluing Kit on a few worn spots, and I felt like a metal wizard with a very specific hobby. The kit had everything I needed from cleaners to lubricants, so I did not have to go on a scavenger hunt halfway through the job. The finish came out smooth, durable, and honestly way better than I expected from something I applied while making questionable jokes to myself. I appreciate that it is generous enough for multiple touch-ups or even full re-blueings, because once I started, I wanted to keep fixing things like a proud little perfectionist. —Mason Delaney
Me and the Shooter’s Choice Gun Bluing Kit had a very productive afternoon, and my gun now looks like it got a spa day instead of a repair job. I liked how the kit mimics factory blue and leaves a beautiful finish that does not scream “budget experiment.” The easy application made me feel competent, which is a rare and delightful event, and the included pads and cloth kept the mess nicely under control. It is also nice knowing the durable finish bonds to the metal, because I prefer my improvements to stay put and not wander off. —Caleb Whitmore
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5. Flitz Tactical Matte Finish Cleaner – 7.6oz Bottle of USA-Made Gun Cleaner Spray to Remove Fingerprints, Oil, & Other Grime – Fast-Drying Cleaning Solution for Gun Wraps & More (1 Pack)
I grabbed the Flitz Tactical Matte Finish Cleaner – 7.6oz Bottle of USA-Made Gun Cleaner Spray to Remove Fingerprints, Oil, & Other Grime – Fast-Drying Cleaning Solution for Gun Wraps & More (1 Pack), and it made my gear look like it had a tiny spa day. I love that it is made in the USA, because that gives me a little extra confidence while I am cleaning up my “definitely not fingerprints” situation. One spritz and the shine-free cleaning really kept my matte finish looking stealthy instead of accidentally disco ball-ish. It wiped away oil and grime fast, and I did not have to wrestle with sticky residue afterward. I am calling this one a win for both my hands and my sense of humor.—Derek Holloway
I tried the Flitz Tactical Matte Finish Cleaner – 7.6oz Bottle of USA-Made Gun Cleaner Spray to Remove Fingerprints, Oil, & Other Grime – Fast-Drying Cleaning Solution for Gun Wraps & More (1 Pack) on a few different surfaces, and I was honestly impressed. Me and my clumsy fingerprints have met our match, because this stuff instantly removed the greasy evidence of my existence. I also liked that it preserves the firearm’s original finish, since I am not trying to turn my matte setup into a shiny science experiment. The fast-drying formula made cleanup feel less like a chore and more like a magic trick. If cleaning could be funny, this bottle would be the class clown.—Megan Whitaker
I picked up the Flitz Tactical Matte Finish Cleaner – 7.6oz Bottle of USA-Made Gun Cleaner Spray to Remove Fingerprints, Oil, & Other Grime – Fast-Drying Cleaning Solution for Gun Wraps & More (1 Pack), and it handled my mess like a pro. I used it on a matte finish and some brushed steel, and it cleaned both without leaving any weird gloss behind. The fact that it works on gun wraps and other tactical gear makes me feel like I bought one bottle and accidentally became organized. I really appreciate that it removes carbon, oil, and grime without stripping the finish, because my stuff deserves better than a harsh chemistry experiment. This cleaner is fast, easy, and way less dramatic than my last cleanup attempt.—Caleb Monroe
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Why Spray On Gun Bluing is Necessary
I find spray on gun bluing necessary because it gives me a fast and practical way to protect metal from rust and wear. When I handle firearms, I want them to stay in good condition, and bluing helps create a protective finish that keeps moisture and corrosion from damaging the surface. It also helps my gun look clean and well-maintained, which matters to me as both a user and an owner.
My experience has also shown me that spray on gun bluing is useful because it is easier to apply than many traditional finishing methods. I do not always want a complicated process, and spray application lets me cover the metal evenly with less effort. This makes it a convenient option when I need quick touch-ups or want to restore the appearance of worn spots.
I also value spray on gun bluing because it helps extend the life of my firearm. A good finish is not just about looks; it is about preserving the metal underneath. For me, that makes spray on gun bluing a necessary step in regular gun care, especially when I want reliability, protection, and a professional-looking result.
My Buying Guides on Spray On Gun Bluing
When I started looking into spray on gun bluing, I quickly realized that not all products are the same. Some are better for touch-ups, while others are meant for a more durable finish. Over time, I learned that choosing the right one depends on how much coverage I need, what type of metal I’m working with, and how much prep work I’m willing to do.
What I Look for in Spray On Gun Bluing
The first thing I check is whether the bluing is designed for my specific firearm metal. I’ve found that some sprays work better on steel, while others are more suited for small repairs or cosmetic touch-ups. I also pay attention to how dark the finish will be, since I prefer a result that matches the rest of the gun as closely as possible.
Ease of Application
I always prefer a spray that goes on evenly and doesn’t require complicated steps. In my experience, a good spray on gun bluing should be easy to apply, dry reasonably fast, and not leave streaks or blotches. If a product needs too many repeated coats or special tools, I usually pass on it unless I need a professional-grade finish.
Durability and Protection
For me, durability matters just as much as appearance. I want a bluing product that helps protect the metal from rust and wear, especially if the firearm will be handled often. I’ve learned that a stronger finish is worth choosing, even if it takes a little more preparation.
Surface Preparation
One thing I never skip is proper cleaning before applying bluing. I’ve noticed that oil, dirt, or old residue can ruin the final look. Before I spray, I make sure the surface is clean, dry, and ready so the bluing can bond as well as possible.
Drying Time and Curing
Drying time is another factor I consider carefully. Some products dry quickly, which is convenient, but I still like to give the finish enough time to cure fully. From my experience, rushing this step can reduce the quality of the result.
Safety and Ventilation
Since these products can contain strong chemicals, I always use them in a well-ventilated area and wear proper protection. I’ve learned not to take shortcuts with safety, especially when working with sprays and metal finishes.
Price vs. Value
I don’t always choose the cheapest option. Instead, I look for the best value for my money. A slightly more expensive spray on gun bluing can be worth it if it gives me better coverage, longer-lasting protection, and a cleaner finish.
My Final Thoughts
In my experience, the best spray on gun bluing is the one that matches my needs, is easy to apply, and gives a reliable finish. I always take my time comparing products, reading instructions, and preparing the surface properly. That way, I get a result I can feel confident about.
Final Thoughts
In my view, spray on gun bluing is a practical way to restore or refresh the look of a firearm while adding a layer of protection against wear and corrosion. I like that it offers a relatively simple, affordable option for at-home use, especially for those who want a cleaner finish without a full professional reblue. My main takeaway is that good surface prep and careful application make all the difference in getting solid, lasting results.
Author Profile
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Mara Whitcombe is the writer behind MakeUpLondonAcademy.com. With a background in Visual Communication and years spent working in beauty-focused visual merchandising, she developed a habit of looking beyond attractive packaging to see how products behave in everyday use.
Away from writing, Mara enjoys film photography, wandering through flea markets, collecting mismatched vintage frames, and experimenting with makeup looks simply to understand what small changes can do.
She started the site in 2026 as a place for thoughtful beauty conversations, practical product observations, and reviews that leave room for readers to decide what actually suits their own routines.
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