It complies with us military MIL-C-11796C Class 3 rust preventative. I used WD40 to cut the cosmoline on some Yugo Mags. The surfaces will almost dry up instantly With the hot metal you end up with after removing from the boiling water. Once youve uh unslimed your wood, return to your sonic cleaner components and use brake cleaner as needed to grab any chunks that might be left with your Q-tips. With the Type 56, we broke the guns down into their main field-strippable components: rifle stock, barreled action, bolt carrier, assembly, trigger assembly, magazine, op rod, etc. Get proficient on YOUR time. It doesnt take a lot to complete this process. If you'd like to consider an effective Cosmoline Remover in aerosol, please see our SS-245 product option. We would rest the muzzle in a 5 gallon bucket to catch the cosmoline filled water. Press question mark to learn the rest of the keyboard shortcuts. Water and wood are NOT compatible. Just avoid gasoline as your cleaning solvent as its not advisable to use. got the cosmo out and it looks good too! While really bad cosmoline build-up might require a few steps further than a field stripping for whatever rifle youre working on. Type your new password and hit button below to confirm it. Militaries worldwide immediately embraced cosmoline as a means of chemically embalming small weapons, armored vehicles, and other items for long-term depot or transatlantic transport. I've done all my cosmo cleanups with mineral spirits, junk toothbrushes, and a heat gun. You worry too much. Using your nylon brush scrub off any grease or cosmoline that is on the part. The standard minimal coating of a light grease or oil seen now days is easily wiped off with a clean rag or paper towel. I also use murphy's oil soap to help remove the oily Cosmoline from the wood. At this point you can check up on your sonic cleaner parts and see how theyre doing. We made a trash can cosmo melter. He is a firm believer in the freedom of exercising constitutional rights, and that includes the right of every law-abiding citizen to own and carry a gun. If you want to spay, you could put it in a garden type sprayer. Removing all of that cosmoline is the first chore to accomplish. Almost boiling water works pretty well to clean cosmoline off of metal. All good tips, and this is how I clean the metal parts for the most part. Ehhhh, was my first try with Cosmo. From there, we like to take all of the small components and run them through a nice sonic cleaner bath to free up some of the hardened gunk thats worked its way into small spaces. You only have power over people so long as you do not take everything away from them. Then rinse in hot water and blow dry any areas that did not dried up. Despite being virtually entirely made up of hydrocarbons, the composition varies depending on the crude oil source. Cosmoline melts at temperatures ranging from 115 to 125 degrees Fahrenheit. That is why it is called CitriStrip. */ Note that if you are going to paint the part, use the brake parts cleaner which evaporates nearly completely and instantly (and skip the WD-40) and then paint immediately to prevent rust from starting. It doesnt cut the oil. Once removed, coatings can be melted again for repeat use. I tried Hoppes #9 (gun cleaner) on a small section and was surprised at how easy it took it off. Be sure to use a decent gun oil on any moving parts when you reassemble. Cosmoline is a trademarked brand of petroleum-based, wax-like corrosion inhibitors. We personally used a Lyman sonic cleaner and Lyman solvent, which worked pretty well and got us most of the way there, with only a tiny bit of extraneous scrubbing required afterwords. You can accomplish this by wiping your handgun, placing it in a black trash bag, and leaving it out under the hot sun. That only works if there is a person close by that can yell "CUT" right after the take. Reddit and its partners use cookies and similar technologies to provide you with a better experience. As expected, once we actually got them out to the desert, they had just a tiny bit more grease to leak out from weird places as the process of shooting warms up places not easily accessed by brush or rag, but so it goes! Make sure. Depending on the container or the size of the firearm, soaking guns in mineral spirits can be done in a huge container. Re: Cosmoline removal Ford & Pontiac used alot of Cosmoline back in the 80`s & 90`s to protect the car from transit contaminants. Stock in a trash bag on a hot day Or mineral spirits scrub down? If you go to fast or too aggressive you can strip out the moisture and mess up the stock. A couple of hours later, I then wiped off most of the rest of the cosmoline, and then did a little scrubbing, spraying, wiping repeat until 99% of it was gone. I've restored a couple cosmoline soaked rifles using different techniques. Attempting to remove the rust-preventive after allowing the cosmoline to warm up can result in an oilier finish. This isn't good as you will likely be causing your gun to overheat when shooting. How would a different solvent such as naphtha fare against the cosmoline? You may find that some firearms have been brushed . And that brings us to where we are today. Youll have to put them all together inside a box or small storage, together with the thing you want to cosmo be removed and leave under the sunlight for a few days. It may take a few dips or baths to get the majority of Cosmoline off. Using a rag, wipe the stock off. While our small parts soak, we took the barrelled action and receiver outside to just absolutely douse in brake cleaner. I may earn a small part of the sale from links to any products or services on this site. Very fast and efficient. . When you shoot, residual fouling builds up in the barrel. Using your nylon brush scrub off any grease or cosmoline that is on the part. Place parts covered in Cosmoline into the bath. after that just give it a good cleaning with some hoppes 9 or whatever and you are good to go. Make sure you get all of the Cosmolene off of the gun! In general, their toxicity to humans is minimal, although there are exceptions. Brownells Retro Rifle XBRNM16E1 Review: Initial Impressions. However, it might not be necessary if you have no intentions of shooting it. After eight days, only the very top was showing . Which makes it susceptible to environments that also kill small children and pets when they get locked inside minivans which well simulate by stuffing it in that trash bag and letting the angry heat orb outside do its thing. A lot of people swear by mineral spirits as a primary solvent to remove Cosmoline, and you can either apply it with a rag or submerge/dip your gun into it. You can proceed to the real cleaning whenever youre satisfied. WD40 is actually mostly kerosene along with something like floor polish that remains when the paraffin has evaporated. This is obviously going to be one of the more critical parts of your cosmoline cleaning voyage, as any residue buildup you dont address is going to negatively affect the accuracy of the rifle once you get it out to the range. There's two main types of cosmoline: RP- 342 and RP- 344 I belive. When sourcing our Cosmoline Remover, we took into consideration: effectiveness, safety, cost and convenience of application and clean-up. Saturate a clean cloth with Cosmoline Remover. This worked good for me since I did it in the winter. Q-tips for cleaning the other metal sections of the gun Hang the parts from metal coat hangers and lay out a piece of plastic to protect the floor. Don't forget to protect the machined surfaces after cleaning..HTH Take care, Gotcha6 Dennis Staff member Corporate Member Sep 26, 2007 #8 Crate after crate of Mosin Nagants, Mauser 98s, and everything in between started to arrive in the U.S. for dirt cheap. When the grease came to the surface or began to run off, I hit the parts with Brake Kleen then put them back out in the sun again. WD-40 or any other petroleum based based solvents will cut it pretty good. WD-40 and a rag take it off easily enough. Stock in a trash bag on a hot day Or mineral spirits scrub down? You must log in or register to reply here. (cross-posted at mAss Backwards) After trying the old fashioned method of removing the cosmoline from the SKS by repeatedly spraying each piece with degreaser and/or WD-40 and wiping dry with a shop rag, I decided I'm going to give the "low-heat method" a try, and build my own version of the "Easy Bake Garbage Can", as illustrated there at www.surplusrifle.com. For the unfamiliar, cosmoline is sort of the genericized term for a family of petroleum-based greases with remarkably high viscosity with inherent rust and corrosion protective properties, a signature waxy brown visage, and unmistakable industrial smell. Simple, cheap, efficient, but time consuming to remove all the cosmoline before shooting. Took days of cleaning for all the original proofs and markings to become visible. Was thinking of boiling in dish detergent water. . Of course, after the wash and rinse process of cleaning, the firearm needs to be dry. Here are the stuff youll need: Avoid using gasoline and harsh chemical solvents as your cleaner because that can strip paint and other coatings from the guns surface. OMS, odorless mineral spirits for me, too. I strongly urge people to avoid the use of water (at any temperature) on wood. In the fire control area, cosmoline will slow the operation of the components, such as the firing pin and trigger. Cosmoline removal . Toothbrush or smaller paintbrush for cleaning small, hard to reach spots in metal. It worked so well that I took pictures and video of the last small cosmoline section of metal I had to clean. For metal, Boil water and combine with CONCENTRATED Simple Green in a disposable pan and wash all the metal. Strips the finish and removes the cosmoline really, really well. I found some PD680 from a chemical company, but it must be neutured or something because it doesn't smell the same and doesn't work anywhere near what the older stuff did back in the '90's. Never miss a post! Its the mess, gross and slimy petroleum that appears to be wrapped in every surface of firearms. All prices are in USD. In the realm of firearms, as technologies advanced, many militaries put their older, outdated weapons into long-term storage in preparation for any future conflicts or wars. Reassemble the gun, perform a functions test to make sure that everything feels right and is operating correctly, and youre basically done! Note: Most of the links in this article earn me a small commission at no cost to you. A dry film of it on the mags isn't going to hurt anything. Youll want to move, rotate, and flex parts to exercise hidden bits of Cosmoline. cosmoline removal wd40excuses to get out of annual training. Dissembling can make the process somewhat easier but it isnt absolutely necessary. Collector, reloader, amateur gunsmith and CHL holder. You can use the oven and even the heat from the sun to melt the cosmos. (Demonstration video coming soon). 2023, Schafco Packaging Company. I paid $4 for a spray bottle. Remove all metal parts, use a spray can of break cleaner to strip cosmoline. Back in the day, ethyl or "high test" gasoline was good stuff. Just like everyone said, mineral spirits for metal (you can use hot water and simple green too), and bag/heat gun for the stock. Free-floating firing pins, like the one found in AR-15s and the SKS, need to freely float. Thats why it is important to clean and remove it in your rifle to keep your firearm operating at its best performance. Air compressor. Change the paper towel and put back at a slightly higher temp every cycle. You may find the cosmoline caked on the stock, gumming up the receiver and bolt carrier, plugging up the bore, and covering the internal parts of the firearm. I do this on bare stocks after stripping them. Safe to use on firearms, military weaponry, automobiles, machinery, heavy equipment, gears, lathes, dies, molds, and anything else coated with Cosmoline. Address: www.originalcosmoline.com Following graduation, he accepted a job at C. Sharps Arms in Montana, where he still works full time as a stockmaker and gunsmith. Gently rub area to maximize contact between cleaner and surface. . All petroleum-based products are chemical mixtures that are highly complex. I bought a bunch of those Yugo SKS rifles when cases of them started showing up at the gun shows. Make sure to get into all the internals. If the rifle will spend the rest of its life in a safe, it might be better to leave it on. Water based chemicals eliminate the risk of fire. Today, you can find literally hundreds of recipes, formulas, tips, trick and strategies online for removing our favorite rust preventative coatingbe careful though, some of these "solutions" are more credible than others. Then I laid the parts out in the blazing Texas sun. If you'd like to consider an effective Cosmoline Remover in aerosol, please see our, RP-342 "HEAVY" Military-Grade Rust Preventive Spray, COMBO OFFER: RP-342 Aerosols (Mix & Match), Cosmoline Direct VCI Paper Rolls (for Ferrous Metals), Cosmoline Direct VCI Industrial Paper Sheets (Pre-Cut). Let it sit for a couple of minutes, then run a few dry patches through. Both my SKS's I cleaned by first taking off as much cosmoline as possible with paper towels, then soaking everything in WD-40. Wipe off the WD40. Remove the stock, get a few tooth brushes and start dousing and scrubbing the metal. I stripped the whole gun down and used mineral spirits on the metal parts and Murphy's wood soap on the stock. As a general rule, cosmoline can be removed with heat, kroil, WD-40, or Kerosene. Despite being virtually entirely made up of hydrocarbons, the composition varies depending on the crude oil source. All that being said I usually buy cotton cloths from a big box store ringspun or recycled and I just wipe. At this point, disassembling the gun or sections of it, such as bolt assembly, and being soaked in mineral spirits may be more beneficial. Cosmoline is a pain to remove though I found a heat lamp to work well to remove most of it without much effort. A & L Cosmoline Remover will quickly and easily remove petroleum-based transit coatings and cosmoline from vehicles. Ok, what method is easier. Throw on a podcast or something youre likely going to be here for a bit. Done. Review SDS for complete safety precautions. Originally, it was sold as a home disinfectant and veterinary anti-swelling treatment in the late 1800s. These crates were packed full of rifles and cosmoline. WD40 is a good cleaner for surfaces that you have good access to wipe down, but when it comes to cleaning small parts such as springs, sears, hammers, and other hard to reach places, I find that mineral spirits does a better job. I've used mineral spirits, gasoline, heat, soapy water, etc. Please avoid producing WW1-era invisible poisons in your shed. Luckily, cosmoline melts at anywhere between 115-125 degrees Fahrenheit. You don't realize how many times you say it until you record yourself without ade. If youve lucked out and scored a surplus rifle with some relatively light cosmo packing, you can probably jump ahead to cleaning the individual components, but for us, step 1 was wiping away what external grease was easily accessible with some basic shop rags. I've read that I should use mineral oil or WD40. There are a few rare examples where you shouldnt remove it. Bolt components I usually boil, just to make sure I get all of it out. The spray and handy tube make it easy to get into grooves and slots, as well as bolt holes. Those who have dealt with firearms for a long time most certainly have experienced the dilemmas of cosmoline. When I started cleaning it I used a heat gun after tearing it completely down. Used a brass brush to help clear the heel lettering. http://www.surplusrifle.com/sks/index.asp, http://i84.photobucket.com/albums/k36/cajuncj/M91%2030%20Finn/IMG_0849.jpg, Quote from: RangerAR on December 24, 2006, 08:37:16 PM, Quote from: singleshotcajun on January 05, 2007, 05:31:34 PM, Quote from: yber26 on January 21, 2007, 08:39:55 PM. I'll do better next time. Cosmo just rolls off. They are the go-to gun shop for collectors and shooters alike. Reference a disassembly manual and take every piece and part out of it. Not so sure about current unleaded bio-fuel with all the additives. I soaked them in mineral spirits then rinsed with hot water and dried them. Before you start the process of removing the cosmoline, you need to disassemble the firearm fully. Your email address will not be published. By that, you can also grab the tiny residues that were left in the firearm. This restriction only affects the following Southern California counties: Orange, Riverside, Los Angeles and San Bernardino. This is one of the few times I will recommend WD-40 for working on guns. In the Marine Corps, more than once did we have to 'un-Cosmoline' weapons, gear or other 'NOS stuff'and without fail, the answer was always the same: 'Disassemble the device (if required) to field strip position, place the Cosmolined-item into the BOILING WATER TANK, and allow to soak for 4-5 minutes, as needed'. Removing Cosmoline has given people grief since 1939. [1]. Should be good to go after that. Once youve got your barrel and receiver assembly cleaned up, you can check on your sweaty wood bois and see where theyre at. 3. So if you need to store your firearms long-term and protect them from moisture and corrosion, multiple options are available. Cosmoline can create a dangerous situation with your firearm. purchase helps support my work in bringing you more awesome gun and gear articles. Cosmoline hardens over time when exposed to oxygen and not sealed properly, so some might be very gooy while others are hardened balls of crud. cosmoline removal wd40; cosmoline removal wd40. But its a background process that you can mostly leave alone outside of hitting the timer again once its finished a round of cleaning. Yes, I used it back in the day when I did not know better. Posted: 7/20/2014 7:07:20 AM EST [#2] Following high school, Kurt enlisted in the United States Air Force as a Boom Operator, where he eventually rose to the position of Instructor. You can also use another heat source to melt the cosmoline to its liquid condition, such as a heat gun or an oven. What is Cosmoline? Here are the stuff you'll need: Mineral spirits or acetone and kerosene Water and soap Shop rags A toothbrush or a smaller paintbrush. Before I go full bore on this, has anyone used this? No other commonly available solvent works as well but it aint magic. Kroil can be found here at Brownells.com. Nylon brush. Cosmoline is a Vaseline-type preservative that was used to preserve firearms. It's also called "dry chemical". So just wiping it off the surface is all that is required. I only use this method on metal parts and will do this prior to using the Kroil method below to remove the last bits and pieces. This causes an issue as brass expands and contracts on firing. I used the boiling water method for my cousin's 91/30. Personalize your experience. If you search "ultrasonic cleaner" on Amazon you can find one identical to the Lyman for $30-$40 cheaper. Press question mark to learn the rest of the keyboard shortcuts, M91, M91/30, M91/30 PU, M38, M44, 48M, T53, Enough Glorious Rifle to arm small milita. Oil or grease, residue, and dirt can build up in the barrel and internal parts during shooting sessions. Again, if youve ever dealt with military surplus guns before, you might have some experience with the somewhat laborious process of removing the infamous goop from them. Once youve accomplished this, you can move on to the next step. There are a few methods you can use in order to clean Cosmoline off in this state: WD-40 If you spray WD-40 . The stock was so dry it could easily be sanded and refinished. If youve got some super-secret method that you swear by, go ahead and yell about it in the comment section below. Social media guy and gucci gear nerd extraordinaire, he enjoys tracking the equipment trends of various SOF forces worldwide and collecting a wholly unnecessary amount of Multicam Black kit.

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