5 Best Ways To Remove Rust from A Gun Without Damaging Bluing

How To Remove Rust from A Gun Without Damaging Bluing (Answered)

You must know that removing rust from a gun barrel is a tricky business, without damaging the bluing. Rust may happen because of recent rain, humidity, or sweat. This bluing protects the metal from oxidation causing the barrel to rust.

Here are the 5 best ways To Remove Rust from A Gun Without Damaging Bluing-

  1. Remove rust by applying Gun Oil
  2. WD40 to remove rust without any damages
  3. Remove rust from bluing by using Vinegar
  4. Aluminum Foil To Remove Rust From A Gun
  5. With Only a Copper Penny

Remove Rust by Applying Gun Oil

Oil You may try scraping to remove rust but this may also harm the bluing. Steel wool and gun oil can be used to remove rust with a clean cloth or rag along. You can apply gun oil to the areas of rust then rub the wool in a circular motion.

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Then wipe it off with a clean cloth gently. Other than this, you can also use penetrating oil along with tissue paper to remove rust. First, place the gun in the newspaper and check for rust on the gun.

Use a copper coin to remove rust from the barrel. Both the above methods are great to keep the bluing intact and also clean the barrel. When you are cleaning the gun, you must be gentle to wipe it.

For safety, you can add extra bluing in case your gun needs scraping. It is also a good practice to apply light oil on the gun barrel to avoid rusting in the first place.

Here we are to guide you on how to remove rust from a gun without damaging bluing!

How To Remove Rust from A Gun with WD40?

WD40, known as Water displacer is an outstanding chemical in the market for various benefits for your gun. It is a good way to remove rust without any damages, and also you can safeguard the gun from further corrosion and rust.

WD-40 Lubricants-Degreasers-Rust Removal

The chemical won’t feel sticky on the surface and is very easy to use. As the name suggests it works by water displacement. So, water removes the rust from the gun. It has a solvent to dissolve rust and corrosion and to keep the metal safe from water.

Place your gun on the newspaper and simply spray it with the WD-40 on the rust areas. Apply it thoroughly to cover all areas. Leave it for some minutes to allow the WD-40 to soak in to penetrate the rust.

Then gently scrape the rust off the surface with a copper coin. In case the rust doesn’t come off, you need to respray the chemical. However, this isn’t a recommended method because it only dissolves the rust, not removes it.

How To Remove Rust from A Gun with WD40

So, as you spray it, after the work, there will be a waxy residue on the surface. Even though it works as a lubricant, it can’t be replaced with regular lubricants for the same work.

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Best Way to Remove Rust From Bluing

Best Way to Remove Rust From Bluing

There are several ways to remove rust, as mentioned by different users of guns. However, deciding on one best way is quite difficult. It seems that to remove rust from bluing, you might need to remove the bluing itself to start afresh.

This is, ironically, the best way without further troubles of using alternatives. First, you have to disassemble the firearm and set the blued pieces together. Use a brake cleaner or alcohol to remove oils and dirt from the blued parts.

Put the gun parts on a dish and pour white vinegar so that they are immersed in it. After some time, these will turn orange due to the rust from oxidation. Take them out every 20 to 25 minutes and wipe them to clean rust, till all bluing is removed. (Check price here for Calyptus 45% Pure Super Concentrated Vinegar)

Calyptus 45% Pure Super Concentrated Vinegar

After everything is wiped off, rinse them thoroughly to remove any vinegar. Then dry them as much as you can, and then place them on the foil-lined sheet. Using this, you have to bake the parts in the oven.

After they cool down, check if there is any rust, and then wipe the surfaces with good steel wool. Finally, assemble them again and layer them with light grease to avoid any rust.

Some users have explained that it is better to use copper or brass wool than steel ones. In addition, rust-removing pads are available in the market that provides better results.

Does Aluminum Foil Remove Rust?- Aluminum Foil To Remove Rust From A Gun

Does Aluminum Foil Remove Rust from a gun

You can easily remove rust using aluminum foil if the integrity of the metal barrel is still intact. Rust is removed by an unoxidized method using aluminum and vinegar. It is a great process than rubbing or scraping. [Check price here for AmazonCommercial Standard Aluminum Foil].

AmazonCommercial Standard Aluminum Foil

The metal-oxygen bond is broken using a replacement chemical reaction since oxygen likes aluminum. Firstly, you need to check for the rust surfaces and place the barrel in front.

Then mix equal amounts of water and white vinegar in a spray bottle. Spray this mixture on the areas of rust. Then take some aluminum foil and rub it on the rusted area. It will get smoother as you continue to rub.

After you have removed all the rust, wipe the barrel with a cloth to dry it. If you have a lot of rusted areas, this might take longer, but it is still easy. This is a very effective and easy process with simple and available items.

How to Get Rid of Gun Rust With Only a Copper Penny

Remove Rust from gun by using Copper Penny

A copper penny will now have a different use to remove rust from your gun. However, you need a penny that is 95 percent copper and 5 percent zinc. This is one of the simplest ways to get rid of rust.

Get some light oil, a cleaning brush, paper towels, along with the copper penny. Place the gun on newspapers to locate areas of rust. Put oil on the areas and rub them with the penny. Then wipe the surfaces with paper towels.

You need to continue the process till all the rust is gone. The brush will scour the rust with small crevices. Since copper is soft, only light pressure is enough to remove rust by rubbing it on the surface.

This will prevent any bluing to get removed in the cleaning process. However, you must be careful to use pennies that were made before 1982, as the later ones consist mostly of zinc.

Copper wool scouring pads will work just as fine, but they are vulnerable to break after some use. Using the copper penny may seem like a drag, but it is very effective.

Unfortunately, the penny method may get difficult if your gun has heavy rusting on the surface.

How To Remove Pitting From Blued Gun

Best Way to Remove Rust From Bluing

Similar to rusting, pitting on the surfaces may occur for various reasons, and it is easy to remove. If the pitting is light, it can be removed with sandpaper, then reblued. But for heavier pitting, you need to follow some methods.

Usually, this happens due to corrosion and remains even when the rust is removed. The pit needs to be at the same level as the surrounding surfaces to get rid of the unwanted trouble. But this isn’t very easy to do.

The process mainly is to remove all the rust, patch the holes and sand smooth, and apply finishes. First, carefully remove every bit of rust from the gun with a bead blaster or something similar.

You can sand the holes if the pitting is shallow. For deep holes, patch them by wielding them. This is a delicate step because if the temperature crosses a sustainable level, some of the components might deform.

Wrap a towel around the holes and use assistant drip water if needed to avoid this. Patching should be done at intervals to regulate the temperature.

Lastly, sand the surface to give a polished look on the wielding area until it becomes smooth enough for you to refinish. You should be very gentle in this last step to avoid any damages.

After you refinish your gun, leave it for some hours. As you have successfully removed pitting, you can use bluing to protect your gun if it is not done already. You can also use other protective coatings.

How to Remove Rust from a Gun Barrel

Cleaning Materials

One of the primitive ways to remove rust from the gun is to use a cleaning solvent or oil. This method is still widely used because there is no need for buying many things. The user can easily get these items in the house, or at a hardware store. Simply gather dry clothes, steel wool, cleaning agent, and lubricative agent.

Remove the parts

A dry cloth is needed to place the gun on it. Since you are using different solvents, it is safer to work in an open, aerated area. Disassemble the gun parts to separate the barrel carefully.

Use a Rod

As the inside of the barrel is very narrow, you will need a thin rod. Place the cloth on the rod and apply the cleaning solvent. Now roll the rod inside the barrel to thoroughly clean all the areas. Change the cloth if it gets too unclean. 

Cleaning Heavy Rust

For getting rid of the extra rust, you can use a powerful solvent or alcohol. Spray them on the rust and keep it like that for some hours. Afterward, rub off the loosened rust with the steel wool in a circular motion. 

Final Process

After the cleaning is over, wipe everything to remove moisture, and then apply the lubricant to keep the barrel rust free. Now reassemble all the gun parts after they are all clean and dry.

Clean A Rusty Gun Barrel (DIY Tips and Steps)

How To Clean A Rusty Gun Barrel

You must clean your gun frequently for efficiency in using it and also shooting safely. There are several methods, including DIYs to remove rust from barrels easily and safely. Always discard the bolt before you start cleaning.

Then smoothen it with solvents to remove dirt and keep it moisture-free. Finally, use lubricant on the bolt. Before you start cleaning your gun, it will be easier for you if you assemble all the necessary items.

First, soak your metal gun parts in a gun solvent. Then use a swabbing technique to cleanse the soaked parts. Use a clean rod with the contributory tip and the patch on a cleaning solvent.

Apply the rod on the barrel to remove all kinds of impurities and then brush off any residue. Continue to do this until the brush comes clean, by damping the patch in more solvent if needed.

You can also try scrubbing to clean. This time, damp your patch with a lubricant gun oil through the bore. Then rub the metal parts with a lubricant dipped cloth to remove rust. Use a dry cloth to clean the other parts of the gun.

After cleaning is done, assemble the parts and wipe them again for a smooth finish. If you have rust on a gun barrel then you have to try other methods. The simplest way is to spray with a cleaning agent and rub the surfaces with a cleaning cloth.

This works great for light rusting on the barrel without damaging the bluing. For heavy rust, separate the parts before the treatment. Scrub the rusted areas with a grit waterproof abrasive paper or sandpaper gently.

Take care to ensure that the rubbing doesn’t damage the metal. When all the rust gets removed, you can burnish the surface with steel wool and refinish it with a cold bluing solution.

Now here is a DIY technique to clean your gun safely and easily. Use vinegar to remove rust as it is a cheaper alternative and a home remedy. It works as an acid to de-oxidize the rusting, even if it is heavy.

Simply soak the rusted parts on a dish of vinegar for some minutes. Then take them out to rub gently with a cloth and remove the rust. Vinegar won’t damage any parts or make them rough. But it will remove the bluing.  

After you have thoroughly cleaned your gun and made them good as new, you can also polish the barrel for a shiny look. Take any gun polish and put it on a cloth or brush. Then apply the polish all over the gun surface. Repeat till you have the desired shine.

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Why rust occurs and it must be removed?

In a chemical reaction, rust occurs as iron oxide in the output. Since the gun is made of iron, moisture will provide oxygen to cause rust if kept like that for long. Even in dry conditions, rust occurs due to humidity. 

Rust is harmful to the gun material as it will cover the entire surface, making it fragile. So, over time, your gun will become ineffective and ruined. Even if it takes a long time for the entire gun to rust, we should become careful from the beginning. A small portion of rust can damage the gun parts and make them ineffective.

What is the Best Way to Remove Rust from a Barrel?

The best way to remove rust is simply to clean the gun regularly. It is very easy and doesn’t need many items. However, if you wish for fancy products to keep the gun free from rust, you can try solvents like WD-40 and steel wool, or combine different cleaning solvents together. The process is the same. 

Separate the parts and use the solvents one at a time as per instruction to make the barrel spotless. But be careful and wipe the parts gently. It is important to clean each part individually. After cleaning, use a lubricant to keep the surfaces fresh.

Preventative Measures for Rust 

Remember, prevention is better than cure, so do everything to prevent rust in the first place. The most obvious way is to keep the gun in dry conditions. Use silica gels or wipe it with a cloth to ensure it is moisture-free. In addition, always clean your gun after use in a routine. 

To keep out rust use solvents to protect the gun, like a lubricant. Wipe the agent on the gun parts thoroughly. Get either a preventative agent for the gun or a protective oil. This will provide a protective layer on the surface for a long time. You can also paint the surface for a coating. But do ensure that the gun is clean and dry all the time.

People Also Asked

#1. How To Get Rust Off A Gun Without Damaging Bluing?

You can use light oil or penetrating oil, or even chemicals like WD-40 to remove rust without damaging bluing. These methods are easy and you only need wiping with steel wool to get rid of rust. Usually, the bluing gets off due to scraping.

#2. How To Remove Rust From Gun Bluing?

The only possible way to remove rust from gun bluing is to get rid of the bluing itself. It is difficult to remove rust from bluing because bluing is given to protect the metal and results in rust.

However, removing the bluing isn’t very hard, and you can then start afresh.

#3. How To Remove Heavy Rust From A Gun?

The first and easy way to remove heavy rust is using lubricating oil and a clean brush. You need to scrub the rust gently off the surface.

Other methods include soaking the rusted parts in acid or vinegar to allow the chemical reaction to remove rust. Just use a rubbing cloth to wipe everything clean. Some people use Dremel rotary tools to remove heavy rust.


Rust is unwanted but also inevitable for firearm users. Manufacturers try their best to keep your firearm damage-free, but rusting happens due to environmental conditions. Rusting is beneficial because it keeps the gunmetal safe.

There are several methods to get rid of rust, so you just need to find the best ways. The important thing to remember is that you should be gentle and careful with cleaning your guns.

In this way, you can keep the bluing safe, which will keep the gun protected for long-term use. 

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