Benjamin Marauder air tank rust protection

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Blackcat31404

Blackcat31404

Member
Jan 31, 2021
20
1
California, United States
Bought a Benjamin Marauder, and it looked virtually flawless. A few days later, after storing it on a foam mat in an area that I assumed to be completely devoid of moisture, I noticed a lot of little speckles of rust all over the air tank. I am not worried about this affecting the functionality, so much as I just dislike the idea of having a rusty airgun, if avoidable. I wiped most of the rust away before taking the photo, so there is very little visible. Anyone know what kind of oil or stuff I should rub on the tank to prevent this in the future? I don't want anything that will corrode it or seep in through the pressure gauge threads. 
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If you don’t want the oily feel on the gun you can protect the metal with renaissance wax. That is what museums use to protect wood and metal on priceless artifacts . 

I get light rust off metal use a light oil let it soak and and scrub with an old used bounce dryer sheet.

To get medium surface rust off of bluing I use a light oil and let soak them use the edge of a copper penny 1981 or older to scrub thicker rust off with out damaging bluing.

That gun has some kind of powder coat or Parker I zing that will scratch easily.

I had the same thing happen on my Prod but it was from condensation. 


 
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Yeah a little gun oil on a t shirt or rag won't seep into the rings. Use very little and just go over the tube. All those things those guys said are good except silicone doesn't prevent rust. Just a 3 or 4 drops on a small scrap of cloth will do the whole gun and protect it for as long as it's in a clean dry safe.... Well within reason. I wipe mine down after 3very camping trip or range day. I keep oily rags in a sealed plastic bucket and reuse them.... If thier dry they get 2 more drops. Definitely use only silicone on the inside but outside use an actual oil used for rust prevention. 
 
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Yeah a little gun oil on a t shirt or rag won't seep into the rings. Use very little and just go over the tube. All those things those guys said are good except silicone doesn't prevent rust. Just a 3 or 4 drops on a small scrap of cloth will do the whole gun and protect it for as long as it's in a clean dry safe.... Well within reason. I wipe mine down after 3very camping trip or range day. I keep oily rags in a sealed plastic bucket and reuse them.... If thier dry they get 2 more drops. Definitely use only silicone on the inside but outside use an actual oil used for rust prevention.
Click to expand...

I do the same exact thing. I use the same rag that I use on my powder burners.I’ve never had any problems with rusting or that tiny bit of oil that I’m spreading around getting into the gun.
 
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WD-40 is a rust inhibitor and will dissolve light surface rust, so it wipes off. Nothing will fix any pits caused by previous rust but wd will stop it from progressing. Spray some on a rag and wipe down the gun. It won't hurt anything. It has a light solvent that will evaporate and leave a protective rust preventive film for at least a few months.

An mrod tube will easily get rusty and use of harsh abrasives could damage the coatings.

I've used wd-40 on guns for 40 years +, don't believe the old wife's tail wd is bad for guns. Got dozens of old guns looking mint with 0 rust and function perfectly thanks to wd-40. Have also reconditioned old neglected rusty guns with wd-40.

If you got rust, wd-40 is your go too...

jmo


 
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Very good information Airgun-Hobbyist! I like, and agree, with the final points. I never leave myself or my gear outside for more than a day at a time, but this info could be useful for those who do. Even in the Army, out in the field, we always took care of our weapons. Static tests of leaving things out to weather are interesting and informative, but anyone who would do that, or nothing, to take care of their weapon and rely solely on a product to take care of their gun, deserves what they get. For long term, hand-off gun storage, test like these are great.
 
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OK I should have quantified that. Silicone will prevent water from touching the metal witch will prevent rust from forming... That's true but it's not designed as a rust inhibitor. Seeing as you already have rust I would use something that is designed to stop the chemical reaction going on there. You can remove the rust using any of the above mentioned techniques and use a good gun oil and that should keep you out of trouble for longer than doing the same with silicone oil or you can reblue it and use silicone forever and it should be fine. I'm not a hater of silicone here just saying it's not the best for stopping rust from spreading. It will keep water from setting on the metal which will prevent rust from forming. Hope that makes sense. 
 
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