Gun rust can be caused by many factors, such as rain, sweat, or humidity. These agents will promote oxidation on your gun, causing it to rust and corrode.

Rust is always a severe problem for any metal object, including guns. It will ruin them entirely if not handled in time. In worse cases, it will go deep into the smaller parts of your weapon, which is very difficult to handle.

No need to worry! This article will give you three methods on How to remove heavy rust from a gun.”

The effectiveness of each method will depend on the level of rust on your gun!

A Detailed Guide On How To Remove Heavy Rust From A Gun
A Detailed Guide On How To Remove Heavy Rust From A Gun

How to Remove Heavy Rust From a Gun?

How to remove heavy rust from your gun.
How to remove heavy rust from your gun.

There are three easy methods to remove rust from your gun, depending on how much of an impact it is.

Before you begin, you must ensure safety by double-checking that your gun is loaded. During the test, keep your firearm pointed in a safe direction.

Use Lubricant 

Prepare the Necessary Tools

Here’s all you need for this project:

  • Gun oil
  • Steel wool #0000
  • Cola (2 liters)
  • Dry, clean container

Step By Step Guide

Step 1: You will need to start by unloading the gun and checking it carefully, as you will want to do this safely.

Step 2: Inspect all parts of the gun separately so you can clean these parts carefully.

Step 3: Now, fill your dry container with cola, add your rusted parts separately, and soak them with cola for at least ten minutes. In the meantime, fill another container with clean water.

Step 4: Remove your gun parts from the cola, then submerge them in a clean water container to remove any remaining cola from these parts.

Step 5: Once you’ve made sure your gun is clean from cola, take these gun parts out from the water container, then dry them. Do not apply or use anything when they are not completely dry.

Step 6: Look closely at your gun parts for any rust. After that, apply gun oil to any rust.

Step 7: Rub these parts gently with your steel wool to remove rust. Avoid rubbing too hard. Otherwise, you will cause scratches all over your gun.

Step 8: After rubbing your gun parts for a while, use a clean cloth to remove the oil. Avoid using a wet cloth or water to clean the oil.

Step 9: Now, check out your gun. It should no longer have any sign of rust if you followed the above steps correctly.

Use Acid

You can remove rust with acid.
You can remove rust with acid.


Prepare the Necessary Tools

Before you begin, gather the following stuff:

  • Metal rescue rust remover
  • PVC pipeline (for a long firearm or rifle)
  • A tub

Step By Step Guide

Step 1: You will still need to start unloading your gun, then carefully separate rusted parts.

Step 2: Use a cloth to clean your rusted parts.

Step 3: Fill a tub with your metal rescue rust remover, then put all the rusted parts in it.

Step 4: Leave these parts in your tub for about 18 hours, depending on how rusty your gun is.

Step 5: Take your gun parts out from the tub and use a cloth to dry them entirely for the best result. The method will work well in removing oxide layers of the weapon.

Use Vinegar

Prepare the Necessary Tools

The items needed for this project are:

  • Vinegar
  • Gun oil
  • Tupperware container
  • Stainless steel brush

Step By Step Guide

Step 1: Unload your gun, then separate all the rusted pieces. After that, put these pieces in the container and fill them with vinegar.

Step 2: Leave these parts soaked in vinegar for about 15 mins. After that, take them out and brush them for a better result.

Step 3: After you have brushed these gun parts, check if all rust is gone. If rust is still present, repeat the process from the beginning. If not, jump to the next step.

Step 4: Wipe all parts with a clean, dry cloth. Then, you should apply oil to minimize leakage.

Tips to Prevent Your Firearm from Rusting

Regularly oiling your weapon is the best protection. 
Regularly oiling your weapon is the best protection.

Here are tips to help you minimize rust on your weapons. So read on for an in-depth look at everything you need to know about rust prevention.

  • Rinse your gun: If you use corrosive ammo, ensure to disassemble and clean your gun out with warm water. If not, your firearm will rust and corrode.
  • Store your firearm in the appropriate case: This case should be waterproof, shockproof, and dustproof with padded foam.
  • Keep the case in the proper place: You should place your gun case in a place where the temperature is around 70 degrees F, and the humidity is between 50% and 55%.
  • Lubricate your gun: Regularly oiling your weapon is the best protection against oxidation as it will prevent water from pooling on its surface, accelerating the rusting process.
  • Avoid taking guns out in bad weather: Avoid taking your handgun out in lousy weather. If you leave your firearm in less than perfect condition, it is essential to clean it as soon as possible when you return home.
  • Get help from an expert: If you don’t see results with your rust removal efforts. You can always send your firearm to a gun repairer who will use professional techniques to restore your weapon to its original state.

The Bottom Line

You’ve reached the bottom of our article. All the above solutions are easy and do not damage your gun. Hopefully, they are helpful to you.

Always remember that before starting the rust removal process for your gun, make sure it’s unloaded for safety reasons.

Thank you for reading!

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