CorrosionX For Guns Review

CorrosionX is a new technology cleaner, lubricant and protectant or CLP. It’s made in the USA and non toxic. It penetrates carbon and metal fouling and loosens it so a bore brush and patch can remove it easily. After several uses, fouling will decrease as the metal becomes treated. It also lubricates and protects firearm parts better than PTFE (Teflon) suspension solutions. CorrosionX penetrates and adheres to metal surfaces to create a barrier against friction and fouling.

CorrosionX for guns

I have used Corrosion X for Guns on my Glocks and it does work well. It’s very similar to Archoil AR-4200. There is no odor and its light gray in color. It coats metal surfaces evenly and stays put. I love the fact that there is no ordor and its non toxic. It won’t smell up the house.

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Reviews on CorrosionX For Guns are excellent. It received 4.5 stars out of 5 stars. Customers really like it lubricative and protectant properties. The only negatives were price and it’s ability to remove rust. It’s not really designed to remove rust but to prevent rust.

Archoil AR4200 CLP Review

Archoil is a nano science company specializing in lubricants, fuel, engineering and surface treatments.They manufacture off the shelf products as well as custom products. They are committed to product investment/development and meeting new fuel and lubrication challenges.

Archoil manufactures many products from friction modifiers to greases to fuel treatments and even firearms lubrication. They have a huge product line.


Archoil AR4200 is the firearm CLP or cleaner, lubricant and protectant. This is no ordinary CLP, AR4200 is different. The base stock is a group II synthetic PAO oil and is 99% pure with no undesirables like unstable sulfur, nitrogen, oxygen compounds or chlorinated paraffin. This makes AR4200 very stable at high temperatures, non toxic and biodegradable. It also has a very high viscosity index.

AR4200 is a nanoceramic CLP that contains tungsten disulfide. Tungsten disulfide is one of the most lubricous materials known to man. It is far superior to PTFE, moly, graphite and silicone. It’s coefficient of friction is 0.03. This is extremely low. It forms a dry hard surface on metals that can withstand super high temperatures (2,000 degrees) like inside a firearm barrel. AR4200 will not burn off like other CLP’s and oils. It’s not only a superior lubricant but also a cleaner. It will loosen fouling and repel it in future firings. The tungsten disulfide will repel dust and dirt. It is not sticky like other oils and greases.

So how do you use Archoil AR4200?

It’s not much different than other cleaners or CLP”s. Here is the recommended gun cleaning process.

  1. Apply a generous amount of AR4200 to a bore mop or patch and push it through the bore 15-20 times. This will saturate the entire bore. Allow AR4200 to work for 5-10 minutes.
  2. Apply a few drops to a nylon or brass brush and brush the bore several times. I recommend 20 passes.
  3. Now run several wet patches through the bore.
  4. Repeat this procedure until patches are light gray or clean. (see below)
  5. After the bore is clean run 2-3 dry patches through the bore to remove any excess AR4200.

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Patches after cleaning my Glock 22. I shot 125 rounds of 40 S&W.

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My Glock 22 cleaned and protected with Archoil AR4200 CLP

Glock 22 barrel treated with AR4200

Here is the Glock 22 barrel that was treated/cleaned with AR4200 and then taken to the range. This is what the bore looks like after 120 rounds of 40 S&W. It’s still shiny and hardly dirty. AR4200 prevented a lot of carbon fouling and is still protecting the bore. You can see the inside of the barrel is still shiny.