10 Best Gun Bluing Kit of 2025

Tested and Reviewed: Top 10 Gun Bluing Kit deals with expert ratings from 8.1 to a perfect 10

May 2025 Edition

Editor's Choice

9.7

Birchwood Casey

Birchwood Casey Super Blue Liquid Gun Blue with Double Strength Design for Rifles, Pistols, Revolvers, Shotguns, and Other Firearms, Blue

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Editor's bottom line:

“This gun bluing kit is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Gun Bluing Liquid Routine Maintenance: Keep your firearms in pristine condition with routine gun bluing using this premium quality double-strength blue gun liquid
Gun Bluing Kit Longevity: Large 32-ounce bottle of liquid cold blue protective solution for home firearm care will last for an extended period
Liquid Bluing Extra Strength: Double-strength design provides superior and lasting protection that is unmatched by other cold bluing agents on the market
Metal Bluing Versatile Application: Ideal for highly-polished steel parts with nickel and chrome alloys except stainless steel for a protective, polished finish
Gun Metal Bluing Measurements: Dimensions of 3.25 x 3.25 x 9 (L x W x H) inches make this 32-ounce liquid bluing bottle a practical addition to your firearm care routine

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Picked by 232 people today

9.5

WM

Super Blue Liquid Gun Bluing Kit with Cleaner Degreaser, Blue and Rust Remover - Made in America, Ships from America

Main Highlights

Super Blue. Super blue is a deep blueing for polished and hardened metals containing nickel and chrome alloys. (not for stainless steel) It is a double strength cold blue solution.
Cleaner Degreaser - Specially formulated to remove dirt, debris, grease and oil quickly and easily. Its a safe, easy and effective way to clean your firearm thoroughly or as a preparatory cleaner for blueing or browning.
Blue and Rust Remover. Blue & Rust Remover is a safe, reliable solution that removes rust and old blue easily and quickly without damaging base metal. Safe for removing old finish from firearms, muzzleloaders and antiques. Also excellent for removing rust from tools, gauges and precision instruments. Blue and rust removal is a necessary step before reblueing or browning.
Special Super Blue Kit - With this kit you also get swaubers, sandpaper, Barricade wipes, steel wool, a cloth and a sponge.

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9.5

Save 7%

Birchwood Casey

Birchwood Casey Easy-to-Use Deluxe Perma Blue & Tru-Oil Complete Finishing Kit for Gun Blueing and Stock Finishing

7% Off

Main Highlights

Deluxe Perma Blue& TruOil Complete Finish Kit
Clam Pack
All-In-One

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9.2

Brownells

Brownells Oxpho-Blue Creme Gun Blue, Cold Bluing Solution, Gunsmithing Tools Maintenance Cleaning Supplies, Professional Grade, 4 oz. (118.2 mL)

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Main Highlights

EASY APPLICATION: Achieve professional-grade bluing using Oxpho-Blue bluing for guns. Oxpho-Blue simplifies the process because the creme formula won't evaporate or run off, giving you plenty of work time to get the finish just right.
SUPERIOR DURABILITY: You'll get a more durable and weather-resistant finish with Oxpho-Blue cold blue for guns. This metal bluing creme creates a tough, long-lasting coating that resists wear from gun cases, cleaning brushes, and clothing.
NO AFTER-RUST: Oxpho-Blue ensures absolutely no after-rust because it forms a phosphate-like surface that protects your firearm. This cold bluing solution actually removes mild rust during application, leaving your gun blued and ready for oiling.
MULTI-FUNCTIONAL USE: Not just for guns, Oxpho-Blue gun bluing creme works wonders on tools and other carbon steel objects. Easily restore the finish and edges that have worn to expose the shiny metal underneath with a simple rub-on application.
VIBRANT FINISH: Achieve a beautiful, high-durability finish with vigorous rubbing using No. 0 steel wool. This gives your firearm a sleek, polished look thats more resilient than finishes produced by traditional hot bluing methods. Made in the USA.

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9.0

Birchwood Casey

Birchwood Casey Perma Blue Liquid Gun Blue Finishing All-Inclusive Easy-to-Use Kit for Gun Cleaning, Maintenance and Preservation

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Main Highlights

ALL-INCLUSIVE KIT - Easy to use, all-inclusive kits are the proven way to touch up or completely reblue most guns. Everything you need for a professional-looking, first-class job is included
CLEANER DEGREASER - Specially formulated to remove dirt, fouling, grease and oil quickly and easily. Safe, easy and effective way to clean you gun thoroughly or use as a preparatory cleaning for blueing or browning
PERMA BLUE LIQUID - Perma blue liquid gun blue provides great blueing to metal that has already been thoroughly cleaned and is free of rust. Fast-acting liquid gives a non-sticky, uniform blue-black finish
BARRICADE WIPES - Convenient gun cloths leave a lasting, protective, anti-rust film on guns and other metal eguipment. Handy to use as a bore cleaner/protector when run through gun bore
BLUE & RUST REMOVER - Blue & Rust remover is a safe, reliable solution that removes rust and old blue easily and quickly without damaging base metal. Safe for removing old finish from guns. Also great for removing rust from tools
All Inclusive Kit
Clam Pack

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Best Value

8.8

Save 37%

PSKLNTY

PSKLNTY Gun Bluing Kits Liquid Gun Blue Finishing Rust Removal Lubrication All-Inclusive Kit for Gun Cleaning Maintenance and Preservation 10 oz

37% OffFree Shipping

Main Highlights

Multifunction kit: 3.5 fl oz Oil and rust removal liquid, 3.5 fl oz Gun blue liquid, 3.5 fl oz Antioxidant lube, 1 pair of gloves, 2 brushes, Multifunction kits are the proven way to touch up or completely reblue most guns such as pistols handguns shooters etc. easy to use
Cleaner degreaser & rust remover: Oil and rust removal liquid for guncleaning. Specially formulated to remove dirt, grease, oil and rust quickly and easily without damaging base metal, easy and effective way to clean you gun thoroughly or use as a preparatory cleaning for blueing, a safe and reliable solution for iron steel products
Aesthetic effect: The oxide film formed by the GUN BLUE LIQUID is blue-black and has a beautiful luster. It protects the iron products from oxygen and moisture, making the surface less likely to rust, and adding to the grade and beauty of the iron products,It is suitable for cast iron, carbon steel,stainless steel below 304, manganese steel, silicon steel, that has already been thoroughly cleaned and is free of rust, not applicable to stainless steel above 304, copper and aluminum alloy
Antioxidant lube liquid: High quality oil refined to perfection for use in firearms, fishing reels and other precision mechanisms. Does not harden, gum or become rancid, leave a lasting, protective, anti-rust film on guns and other metal equipment. Gives extra-long service
After-sales service: We take pride in providing excellent customer service. If you encounter any issues or have questions about our Cold Blackening Liquid, please feel free to contact our dedicated team for prompt assistance

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8.6

Save 12%

Brownells

Brownells Oxpho-Blue Liquid Gun Blue, Cold Bluing Solution, Gunsmithing Tools Maintenance Cleaning Supplies, Professional Grade, 4 Fl oz. (118.2 mL)

12% OffFree Shipping

Main Highlights

Absolutely no after-rust
Ease of application and remarkably superior results
With Oxpho-Blue, all you need do in most cases, is dampen a piece of cotton flannel and give the area a good rubbing

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8.3

WM

Birchwood Perma Blue Liquid Gun Blue Kit with Cleaner-Degreaser, 3 fl oz, and Barricade Wipes

Main Highlights

COMPLETE KIT: Includes 3 fl oz Perma Blue liquid gun blue, 3 fl oz cleaner-degreaser, and Barricade rust protection wipes for comprehensive firearm care
DUAL-ACTION FORMULA: Cleaner-degreaser removes oils, dirt, and grime while preparing metal surfaces for bluing application
LIQUID BLUING: Professional-grade solution helps restore and maintain the blue-black finish on firearms
RUST PROTECTION: Included Barricade wipes provide additional protection against corrosion and moisture damage
EASY APPLICATION: Step-by-step process allows for precise touch-ups and complete refinishing of worn areas

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8.1

Birchwood Casey

Birchwood Casey Fast-Acting Long-Lasting Spanish Perma Blue Liquid Gun Blue for Steel, Touch-Up & Complete Reblue, 3 FL OZ (90ml)

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Main Highlights

PROVEN WAY FOR TOUCHING UP - Birchwood Casey offers you the best ways to touch up scratches and worn spots or even completely reblue most guns. It will give a non-streaky, even blue-black finish to steel (except stainless)
FAST-ACTING - Spanish Perma Blue liquid gun blue and paste provide great blueing to metal that has already been thoroughly cleaned and is free of rust. Perma blue paste gun blue is slower to darken than liquid gun blue, but will build up a denser finish
HIGH-QUALITY - This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials
BEST SHOOTING GEAR - Since 1948, serious shooters, avid collectors and professional gunsmiths have relied on Birchwood Casey for shooting and gun care products; Birchwood Casey has pioneered innovative products with an unwavering dedication to quality
NOTE - Birchwood Casey Spanish Perma Blue liquid gun blue will not blue stainless steel, aluminum or non-ferrous metals. Can be applied with swabs (Q-Tips). No heat required. Excellent for touch up or complete reglueing

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8.1

Save 24%

Birchwood Casey

Birchwood Casey PERMA BLUE LIQUID Air Gun Shotgun Blueing 90ml [13125] Blue Rifle

24% OffFree Shipping

Main Highlights

PROVEN WAY FOR TOUCHING UP - Birchwood Casey offers you the best ways to touch up scratches and worn spots or even completely reblue most guns. It will give a non-streaky, even blue-black finish to steel (except stainless)
FAST-ACTING - Both perma blue liquid gun blue and paste provide great blueing to metal that has already been thoroughly cleaned and is free of rust. Perma blue paste gun blue is slower to darken than liquid gun blue, but will build up a denser finish
HIGH-QUALITY - This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials
BEST SHOOTING GEAR - Since 1948, serious shooters, avid collectors and professional gunsmiths have relied on Birchwood Casey for shooting and gun care products; Birchwood Casey has pioneered innovative products with an unwavering dedication to quality
NOTE - Birchwood Casey Perma Blue liquid gun blue will not blue stainless steel, aluminum or non-ferrous metals. Can be applied with swabs (Q-Tips). No heat is required. Excellent for touch up or complete regluing
3 fl oz
Plastic Bottle (Liquid)

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Our Best Overall Choice

Best Choice

9.7

Birchwood Casey

Birchwood Casey Super Blue Liquid Gun Blue with Double Strength Design for Rifles, Pistols, Revolvers, Shotguns, and Other Firearms, Blue

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Gun Bluing Liquid Routine Maintenance: Keep your firearms in pristine condition with routine gun bluing using this premium quality double-strength blue gun liquid
Gun Bluing Kit Longevity: Large 32-ounce bottle of liquid cold blue protective solution for home firearm care will last for an extended period
Liquid Bluing Extra Strength: Double-strength design provides superior and lasting protection that is unmatched by other cold bluing agents on the market
Metal Bluing Versatile Application: Ideal for highly-polished steel parts with nickel and chrome alloys except stainless steel for a protective, polished finish
Gun Metal Bluing Measurements: Dimensions of 3.25 x 3.25 x 9 (L x W x H) inches make this 32-ounce liquid bluing bottle a practical addition to your firearm care routine

Show Price