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WOOD: Heat guns are like very hot hair dryers. Cosmoline is a greenish man-butter stuff that most car manufacturers spray on engines/undercarriages of cars to protect during transport. All petroleum-based products are chemical mixtures that are highly complex. They were nasty rascals and I had to get creative about decrapping them. You must log in or register to reply here. It should be treated as a bore obstruction and removed prior to firing. Collector, reloader, amateur gunsmith and CHL holder. Stock in a trash bag on a hot day Or mineral spirits scrub down? For extra protection of the piece, youll need to add lubricant and stain (for wood stock), especially to the bolt assembly. I've tried various methods in the past, none of which seemed to work particularly well. That is why it is called CitriStrip. Was thinking of boiling in dish detergent water. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Almost boiling water works pretty well to clean cosmoline off of metal. Login with username, password and session length, Metal-hot water, WD 40, diesel, brake cleaner, or simple green. Do you think I would run into finishing problems with it? The spray and handy tube make it easy to get into grooves and slots, as well as bolt holes. I disassembled the rifle and scraped/wiped off as much goo as I could. We have purchased closed to 20, mostly Chinese SKS"s, all of which were coated with cosmoline. Removing all of that cosmoline is the first chore to accomplish. The U.S. military soon discovered its advantages when applied to military equipment. If you search "ultrasonic cleaner" on Amazon you can find one identical to the Lyman for $30-$40 cheaper. As the cold war came and went, many of these countries started to liquidate their warehouses, selling these surplus arms to importers and exporters in the United States. For a better experience, please enable JavaScript in your browser before proceeding. There's two main types of cosmoline: RP- 342 and RP- 344 I belive. You n00b! Be the first to review this product! Thanks A lot less toxic than brake cleaner, naphtha, and acetone. When I began removing the cosmoline from my new Precision Matthews PM-1440GT lathe, it was a little daunting. It practically dissolves any Cosmoline product in seconds with very little effort. WD40 works well enough and wont hurt a thing. The decision to either remove or not remove cosmoline from the rifle is based on each individual situation. Place the parts on some cardboard and the cleanup is minimal. It is safe to work with, cheaper than most products and works extremely well. All good tips, and this is how I clean the metal parts for the most part. Heat and humidity make a heat gun or hair dryer a good option here. Buy an 8" piece of HVAC round duct pipe, a blow dryer, and paper towels. Had some residual cosmoline on a receiver that came off surprisingly well last weekend with HOT water, near boiling temp. Use it if you don't happen to have kerosene. Want the best cosmoline removal methods for cleaning up your milsurp gun? Stock in bag on hot summer day worked well enough for me, but left blemishes on the shellac where it bubbled up. When sourcing our Cosmoline Remover, we took into consideration: effectiveness, safety, cost and convenience of application and clean-up. I used a heat gun for metal and wood. Once it's clean, remove the bolt assembly from the water and place it on a towel. Military surplus firearms are typically very easy to fully disassemble with minimal tools, making it a pretty painless job. Another tip for faster drying without any extra work is to place it in a well-ventilated area so that the wind or air can travel smoothly around the area. Just crank up your water heater to 180 and the cosmoline melts right off. Afterward, disassemble the rifle down the the point where you can remove all the moisture and clean a few nooks and crannys and properly lube. Cosmoline is usually very good under a car going up against salt, water, heavy splashing/traffic spots, but sitting water I guess is just too much to ask. A sealed PVC tube or large container are both good for soaking guns in mineral spirits, depending on the size of the firearm and container. ?>. The password should contain at least 8 characters with at least one number or special character. This isn't good as you will likely be causing your gun to overheat when shooting. Wipe off the WD40. I used WD40 to cut the cosmoline on some Yugo Mags. Kroil is known as The Oil That Creeps and has made quite a name for itself in the firearms industry. Cosmoline is a petroleum based brown wax. Ok, what method is easier. After his military service, he attended the Colorado School of Trades(CST) in Lakewood, CO for gunsmithing. PRODUCT DESCRIPTION:Cosmoline Remover is a solvent-based industrial cleaner specifically formulated to quickly & effectively remove all types of Cosmoline and other petroleum-based transportation and storage coatings. There is something hugely satisfying about bringing one of these old things back to life. Everyone else has your straight on the steel part. They dunked in the guns in a 55-gallon drum of gasoline. . There are lots of options and choices you can make, but what we used were: Specifically, weve got 3 surplus Type 56 carbines that we picked up from Palmetto State Armory which are essentially Chinese domestic clones of the Soviet SKS with a few minor tweaks here and there. Make sure to get into all the internals. Seems to take off anything, including paint spatters without harming the finish at all. If you do it right, however, removing cosmoline preservatives can be easier than expected. Although, today, there are many rust-preventative oils and greases that are cleaner and will do an as good, if not better, job. Thats two decades of expertly upholding the Texan gun culture. But on the wood I wipe the excess then use a hair dryer and wipe as it sweats. Apply some to a rag and patch and wipe down the cosmoline-soaked parts. Before I do anything I'll regret, can anyone give me a definitive ruling on the best way to clean cosmoline off metal/wood? Good or bad idea? Ken 1942 GPW OMS, odorless mineral spirits for me, too. The cosmoline should start to melt and run off the parts onto the ground cloth. 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. Its important to extract as many residues and greases out of the gun as possible to avoid the risk of disassembling the gun in the future to uncover a hidden chunk of the rust-preventive gunk. No wiping needed with mineral spirits. I've done all my cosmo cleanups with mineral spirits, junk toothbrushes, and a heat gun. Despite being virtually entirely made up of hydrocarbons, the composition varies depending on the crude oil source. I tried Hoppes #9 (gun cleaner) on a small section and was surprised at how easy it took it off. It doesnt cut the oil. Immediately spray everything down with WD-40 to displace any remaining water. These were pretty bad. When I began removing the cosmoline from my new Precision Matthews PM-1440GT lathe, it was a little daunting. Review, Shortening a shotgun stock and fitting a recoil pad, Rogers Single Point M4 Rifle Harness Review, Howa 1500 v Winchester 70 action comparsion, Muzzle Brake Installation on a Precision Rifle: Timing and Installing an OPS R3E2C, 223 Remington/5.56mm NATO Barrel length versus Velocity- Short Barrels- 6 to 14 inches, Building a custom 7mm Rem Mag Hunting Rifle-PART 1, Customizing the 1911: machining a golf ball pattern slide, Installing a muzzle brake between centers, 1911 Rear Sight Installation (Novak style cut). We'll only use the information provided according to our privacy policy. Remove the stock, get a few tooth brushes and start dousing and scrubbing the metal. The absolute best stuff I had ever had was military PD680, the older stuff. METHOD #1: Wipe with Cloth, Rag or Paper Towel, METHOD #2: Soak Parts in Cosmoline Remover. 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'. It will melt off. Note: Most of the links in this article earn me a small commission at no cost to you. Remove the stock, get a few tooth brushes and start dousing and scrubbing the metal. A kitty litter can also remove cosmo in your guns. If you want to spay, you could put it in a garden type sprayer. Learn the 3 most popular shooting stances & more. Yes, I used it back in the day when I did not know better. They are the go-to gun shop for collectors and shooters alike. You have the option to disassemble your firearm before beginning this process or keeping it intact throughout the cleaning process. Weve got a dedicated section for the AR-15 here. The process is very dirty. Now its one of the best toys in the box. Create an account to follow your favorite communities and start taking part in conversations. This process is simple but very messy and should be done in a well-ventilated area. 5 Steps in Removing Cosmoline 1. JavaScript is disabled. This will speed up the process. Cosmoline is helpful because it offers long-term rust prevention, but if youre a Curios & Relics (C&R) Firearms collector or have ever purchased a gun, you may have what looks to be a mess on your hands. I took mine in a hot shower, shoots like a dream. Here's how I did it. That will do the cleaning with no damage to the wood or original oil finish. The wood I used Citristrip, it worked really well. It shines like John Boehners nose now. Kurt is a Gunsmith, Reloader, Hunter, and Outdoorsman. Soaking, washing, rinsing, and scrubbing will take hours to complete before you can handle your parts or firearm without the greasy residue covering your hands. So if you need to store your firearms long-term and protect them from moisture and corrosion, multiple options are available. two weeks ago I used wd-40 to clean off cosmoline off a SAR-80 parts kit, I used it on the plastic stock and metal it worked real well and does not harm the bluing or crackle paint on the receiver stubs. Mineral spirits on metal. Click the button below to add the Cosmoline Remover to your wish list. WD-40 is a mediocre lubricant and an OK rust preventative. 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. I took it easy on the wood (making several passes) so as to not hurt the finish. Hmm, so it's like packing grease. If the rifle will spend the rest of its life in a safe, it might be better to leave it on. You can proceed to the real cleaning whenever youre satisfied. Get proficient on YOUR time. Once youre satisfied, you can move on to the actual cleaning. Ive tried dozens of methods over the years until I stumbled upon a suggestion to use Goo Gone. The cosmoline literally runs off with the water. Although most greases will burn, cosmolines are rarely considered a fire threat. In general, their toxicity to humans is minimal, although there are exceptions. All of the above is primarily educated guessing for Eastern Bloc procedures, aka a WAG American practice for removing actual Cosmoline (not the ersatz Cosmoline that communist countries used) was the chlorinated solvent approach (disposal in pits, not rivers), based on first hand accounts. Ive even seen Mosin Nagants that the lock time could be measured in whole seconds due to this. Pour Cosmoline Remover in safe container. For future cosmo removal, try mineral spirits. This give us a headstart on polishing those bad boys up or if left long enough, cleans them totally with almost no extra work on your end. Like CitriStrip because you won't lose any proof marks in the wood. two weeks ago I used wd-40 to clean off cosmoline off a SAR-80 parts kit, I used it on the plastic stock and metal it worked real well and does not harm the bluing or crackle paint on the receiver stubs. Cosmoline - in my experience - is stronger, but the cost per can . It will melt off the Cosmoline then wipe and oil everything down. That means it will come off with kerosene or mineral spirit, and could even just wipe away with rubbing alcohol. Set the temp to 130 degrees, bake for a while. anything extra and your In addition, dish soap and water can remove the excess residues in your weapon too. I used simple green on some that weren't as bad before. The standard minimal coating of a light grease or oil seen now days is easily wiped off with a clean rag or paper towel. However, this one was never opened, making it extremely rare. Kroil can be found here at Brownells.com. 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. Retired technical instructor and master technician. It doesnt take a lot to complete this process. Depending on the gun youre working on, this may or may not be a concern. Works great. In our case, you might need to run the gadget a few times to really penetrate the crud. I had to pull it out of the plastic to verify numbers. WD40 is an expensive version of mineral spirits. #1 Engine Bay Cleaning/Cosmoline Removal 03-02-2012, 08:52 AM Hey guys, I want to get my engine bay as clean as possible without shaving or paint work before the new engine goes in. As for wood, I've had limited success with WD-40. Use a hair dryer on the stock and wipe it down until clean. For a complete listing of cities,click here. There are a ton of ways to do it and most work great. Cosmoline is our stuff, product of a first world economy, the commies used grease, cheap grease, much easier to remove. I never knew of these methods when I got my mosin, so I spent a week in my basement with some solvent and a few rolls of paper towels. This can cause hang fires or, worse yet, negligent discharges. I generally disassemble the gun into it's primary components first. This is how to remove cosmoline in the most effective and efficient manner from your newly-acquired Moist Nugget or other military surplus firearm. Its chemical composition consists primarily of a homogenous mixture of oil-based, non-polar hydrocarbons. just cosmoline removed easy. Many gunsmiths actually use it to cure or set a freshly blued gun. Cosmoline can cause the pin to get stuck in the forward position and lead to slam fires and a runaway rifle. Over time, Cosmoline may have seeped into nooks, crevices, and gaps in the metal but it is actually fairly simple to remove. Those who have dealt with firearms for a long time most certainly have experienced the dilemmas of cosmoline. 2. Soak the bolt and small parts in mineral spirits. METHOD #2: Soak Parts in Cosmoline Remover. We'll send you the latest guides and training tips geared Aerosol brake of carburetor cleaner, dissolves the cosmolene into thin air almost instantly. It is frequently used in indoor and outdoor applications and does a great job for long-term storage. Used a brass brush to help clear the heel lettering. towards your level. Just be sure to oil thoroughly as soon as possible because it'll be bone dry when you're done. Once disassembled, I use a few methods to remove cosmoline. Click below for a FREE LESSON! Never miss a post! You may find that some firearms have been brushed . Use an air gun to blow the cleaning fluid off after you finish, then apply lube as needed. I've been researching some products that can remove the yellowish cosmoline thats baked onto the bay and have found some good reviews on Zymol Strik. Then reassemble and enjoy boom. Fighting socialism one republocrat at a time. After peeling, they leave a greasy film for continued corrosion protection. Cosmoline was quickly adopted by militaries the world over as a way to chemically embalm small arms, artillery pieces, armored vehicles, and so on for either long term storage or trips across the Atlantic. 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. As it drives out moisture, it does little to oil a surface but sits on top of the surface to protect it. Physically, Cosmoline is brown in color and comes in various viscosities and shear strengths. Mineral spirits are known as a major solvent for removing cosmoline, and you can apply it with a rag. Depending on how much hardened build-up youve got, itll probably take you a few cans of brake cleaner to get everything loosened up. Water and wood are NOT compatible. We believe our Cosmoline Remover is the most effective solution offered anywhere. Brake cleaner is pretty nasty even its not in chlorinated form though, so make sure youve got gloves and a well-ventilated area to work in. Attempting to remove the rust-preventive after allowing the cosmoline to warm up can result in an oilier finish. You will need to use fresh diesel as it gets to thick and sticky with all the cosmoline. /* 5. Don't forget to protect the machined surfaces after cleaning..HTH Take care, Gotcha6 Dennis Staff member Corporate Member Sep 26, 2007 #8 A couple of hours in the hot seat predictably allowed a ton of cosmoline that had been locked inside of the wood fibers the opportunity to seep out to the surface. In our case, the two Type-56s we received directly were definitely in the latter category of goo-boundedness, with lots of solvent-resistant hardened grease nuggets tucked away throughout the entire firearm. Disassemble the SKS all the way down to clean it properly. It took me a good 3 hours to get everything clean but the action is nice and smooth(ish). Try to disassemble your rifle first, then clean its parts by section. The cosmoline coated bumpers and trim was given an extra dose of solvent, then a high temperature pressure washer (yeah, a steam cleaner) was used to remove the cosmoline. 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. 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. The heat will bleed the cosmo out. I stripped the whole gun down and used mineral spirits on the metal parts and Murphy's wood soap on the stock. Brake cleaner and acetone will dissolve nearly anything but often they evaporate before you can get the gunk off and you are back where you started. WD 40 and mineral naptha (ligher fluid) are the cosmoline cutters of choice to the home shop machinist. Also, older cosmoline tends to solidify when exposed to air for a long time, making it hard to remove. Blow the gun parts off using an air compressor until dry. The honest-to-goodness proper way to remove Cosmoline from anything, really, is through working at it. I soaked them in mineral spirits then rinsed with hot water and dried them. Your email address will not be published. Collectors of C&R (Curio & Relic) firearms often find old firearms that were built around WWI or WWII and then put in storage. Took days of cleaning for all the original proofs and markings to become visible. Was thinking of boiling in dish detergent water. Now I am off to buy a steam cleaner. We finally discovered the quickest way to remove the cosmoline was to fill up a teapot with water, bring to boil, then slowly pour the boiling water onto the SKS. * SCAQMD -This product is not to be used in California's South Coast Air Quality Management District because it does not comply with Rule 1144. You are using an out of date browser. . The protective layer was thick, tough and not easy to remove. Back in the day, ethyl or "high test" gasoline was good stuff. Go check them out at Oldsteelguns.com! After hours of scrubbing, you will eventually remove the majority of Cosmoline from the gunbut you cant stop with that. Cosmoline Remover is a solvent-based industrial cleaner specifically formulated to quickly & effectively remove all types of Cosmoline and other petroleum-based transportation and storage coatings. This causes an issue as brass expands and contracts on firing. But when you have robbed a man of everything, he is no longer in your power he is free again. Love your family and keep your powder dry, Quote from: dwcopple on July 07, 2014, 07:08:24 AM. Will brake cleaner remove cosmoline? First off, youre going to want to disassemble the gun down to a level that youre comfortable with. Make sure you get all of the Cosmolene off of the gun! All that being said I usually buy cotton cloths from a big box store ringspun or recycled and I just wipe. Press J to jump to the feed. All ultrasonic cleaners are made in the same factory in the PRC. The stuff will bubble up as a wonderfully aromatic orange oil like layer on the water. This worked good for me since I did it in the winter. A dry film of it on the mags isn't going to hurt anything. The more you wash and rinse the rifle, the more creep will appear. Be that as it may, your general overall approach to de-gunking your gun is going to be pretty similar no matter how much shit is built up within it. CitriStrip on the wood parts. 3. Cosmoline is a trademarked brand of petroleum-based, wax-like corrosion inhibitors. This P17 was packed in cosmoline, wrapped in paper, and shipped to its destination like millions of other rifles. Cosmoline is a general term for a group of petroleum-based greases with high viscosity, intrinsic rust and corrosion protection, a waxy brown appearance, and a distinct industrial odor. There is no way I would boil a stock! Notify me of follow-up comments by email. The protective layer was thick, tough and not easy to remove. This has worked well for me and has turned out to be the least labor intensive of the methods I have tried for cleaning off cosmoline. Hand-Picked Daily GUN DEALS, and Exclusive Coupons Codes >>>. There are a few rare examples where you shouldnt remove it. Only used it to finish wiping off the light residue. 5-Gallon Pail ($265.00) << Special Price, Best Value! Clean and repeat until it stops weeping. Removing all of the Cosmoline will take significant work regardless, so it comes down to a matter of preference. The other reason being is a nice coating of oil keeps your parts moving smoothly and protects guns in storage.