Sporterizing the Mosin Nagant Part 3- Cosmoline Removal
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- Опубліковано 29 лис 2010
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Hopefully this sums things up in a nutshell. There really isn't much to this process. The main thing to remember is to take your time, use as mild of a degreaser/cleaner as you can get away with, and avoid using harsh chemical on the stock. Heat is the best way to remove cosmoline from a gun stock and I discuss a few creative methods in this video. For removing cosmoline from the CHAMBER, see my video series entitled "Making your Mosin Rock"
Thanks for watching. Part 4 is going to be 3-4 days at least. We are waiting on parts and services.
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Hey Greg, I'm a gunsmith that trained at the Colorado School of Trades. Using Mineral Spirits mixed with Acetone makes an excellent solvent. After fully cleaning the metal parts, be sure to coat them with a gun oil, such as Ed's Red, and allow to soak in over night. Metal is poreous and using heavy solvent draws oil out of the metal making it easier to rust which is why I don't recomend using water to soak firearms. The next day, wipe all parts dry with a clean cloth and insure the bore is dry.
most folks do not realize how much work is involved in cleaning cosmo off, much less sporterizing one the right way. Good work, cool video!!
I just did that exact thing yesterday. Borrowed my sisters cheap little hair dryer, put in on high/hot, and just ran it up and down the stock slowly. I held it about an inch away and as the wood heated up, I could literally see the cosmoline bubbling out. I found that most of it was in the guts of the stock where the bolt carrier goes. I live in NY and it's winter, so this is my only option. Worked like a charm. Good luck.
Eric, you are 100% right about cosmoline removal being this mythical thing. I've never seen people spend so much money, or make a simple process such a pain in the ass when it comes to cosmoline removal.
Because of you, this will be one of the first rifle i will buy when i turn 18 at a local gun show. Thank You.
I got lucky with my 91/30. The dealer had tried to clean it up for photo purposes on gunbroker and the thing had almost ZERO cosmocrap in it. Some I've seen looked like they went swimming a tub of it when they pack it up in storage. I hope you continue this little series. I really liked the stuff you did last year on the mosins. Keep it up brother!
I got my 91/30 from Cabela's. It came about 90% clean. This method was PERFECT for getting off the little bit remaining.
Your videos are extremely helpful.
Thank you!
If cover myself with Cosmoline and put myself in a crate, would I last forever?
ye
You would out last a Twinkie
Cosmoline is the disgusting secret to immortality
I coat this comment in cosmo, and declare that it shall last forever.
It works great on soot and oily residue,like if You have a diesel truck.It's also great for cleaning the interior of RV's,it really cleans up the stove if it's been used a lot,and helps to get rid of musty smells RV's usually have.It also can bleach out stains on paint without damaging the surface.
All in all, really good stuff.
My friend and I used boiling water to get the cosmoline off the metal. It worked very well. It was hot enough that it evaporated when we took them out of the water. It was really bad for the tub though... And probably the pipes. Good thing it was his house. The boiling water was very effective for removing it. Just melted right off
Thanks for all the Mosin Info.. I just bought a 1943 Tula Lovin it so far. Just want to put on a scope.Simple Green is amazing, but wanted to warn people about using it on some aluminum based metals. It can leave a white haze on aluminum. Used it to clean a valve cover once and it ruined the finish, permanently. I ended up having to paint it. I realize the gun parts are steel, Just wanted to let people know.
Nothing wrong with listening to the rain...great vid as usual Eric
for my mosin and my sks, i took the stainless parts, broke them down, and boiled off the cosmoline in a pot for a few minutes... used acetone on the rest with a scrub bush. biggest PITA ever, but worth it in the end. I've heard people use those steam cleaners with great success too.
Simple green is good stuff, just tried it yesterday after buying it because of your recommendation. The stuff isnt any special cleaner, but where it shines is with it's incredible smell! I mean seriously, it smells amazing!
I know this is 12 years old, but I had to comment. When he talked about putting the stock out in the sun, IF YOU CAN....... and I'm watching this in July in Arizona. I can do that!
I used the mineral spirits method just yesterday. My rifle came absolutely drenched in cosmoline, like 1/8" thick on everything. I left all the disassembled parts in a tin tray of mineral spirits for about 20 minutes, dunked in scalding hot water for about 2 minutes, then put them all back in mineral spirits again for about another 10 minutes. After that, I rinsed them off in hot water one last time, dried them down, and that was that. Absolutely no cosmoline left, it literally falls off.
Years ago I observed a buddy working on the stock to his rifle using a semi-damp washcloth and an old electric iron set on hot/steam.
He's gently push the iron onto the washcloth (which was covering the area he was doing) and allowed the heat to clean and take any minor "dings" or dents from the wood....it raised the dent "up" and removed it....washcloths (damp & dry) and an electric iron: an old Catskills NY method....Hope that helped ya!
I did this to my Mosin. The gun feels great now! With some gun oil, the bolt slides smooth. Like new! Thanks Eric.
You da man, thanks so much for these vids!
I was bewildered when i first got my Mosin, but now I'm almost as confident as i was cleaning my M-16.
I like your direct, informative and confident narrative.
Much appreciated!
Have you tried using a hair dryer on the stock to heat it up and get the cosmoline out? I just got my first mosin and read that this method works good
Hey, just wanted to say thanks. My 12 year old son used your videos to disassemble and remove the cosmoline from his Mosin. Tried to post a video reply, but don't think it worked.
Yes, it could make the seal too tight in the barrel and cause increased pressure, like firing +p ammo, and damage your rifle. I've seen a blown out barrel due to this, but it varies way to much to say this would happen to you. Cosmoline in the chamber will melt after range use and really gunk up the action, then solidify after the gun's cooled down only to do this all over again when you fire it. The only reason to leave the Cosmoline on the rifle is if you intend to store it and never use.
Good video, thank you. And I didn't mind the rain, and don't see a need to re-shoot the video, other then for showing the work on the next rifle.
Thanks again for the video!
Eric,
Thank you very much for this video. I just picked up my first Mosin, and she was caked in cosmolene (sp?) As I have never taken one apart, your instructions where very precise and clear. From the student to the teacher THANK YOU !
Steam works like a champ, too. Especially for the stock. Just heat the area with steam & wipe up the excess. It will pull cosmoline to the surface & the steam evaporates quickly.
Ahhh the Mosin bath, I love these!!!!!!
Thank you so much! I did exactly what you said and it worked perfectly! Thanks again for your response!
I'll have to try your method for clean cosmoline from a stock. In the past I had always used the "old-school" method of acetone and powdered chalk. Of course you always had to refinish the stock afterwards.
Great video - Thank you for posting
The amount of cosmaline can be checked visually to some extent. The thing you are going to really want to look for when buying one are the guns condition. bring a small flashlight with you and check out the chamber and bore. look for rust or pitting on either and look to see if the rifle has been re rifled or counter bored or what not. Not going to be perfect but it will prevent you getting a trash gun.
@MacTeutates my first mosin was literally "caked" in cosmo , the wife was strongly against using our oven, so I did the black-plastic-bag trick, it worked beautifully with our august California sun.
For the stock I have been taking the cardboard box my mosin came in and sealing it all up except for 1 small end and then putting the stock in the box and pointing a electric space heater into the box. This causes the cosmoline to sweat out. I just keep heating it and wiping it down till the cosmoline stops beading up on the stock. Then I take a rag sprayed lightly with RemOil and rub the stock hard till that waxy cosmoline feeling is gone then a dry rag. Works pretty good not perfect.
I lived in Arizona,USA. I just wait until a hot day in summer the temperature go up to about 110 degree F, then put the gun out side the sun will COOK the gun and all grease will melt to liquid, then just wipe off by white t-shirt..very easy to clean in AZ where I lived.
Thanks. The mosin looks good as is.
awesome I just cleaned mine ,I bought the turkey pan at wally world for 94 cents,,haha and the simple green worked great ,I just used it straight though ,but that with a parts brush worked great ,,thanks,,now just waiting for a nice day to go shoot,,
Regular paint thinner also works well for the metal parts...I've used it on 3 Mosins so far and it take's the cosmoline off and doesn't hurt the finish.
I use simple green to clean CLP and carbon out of my M4. Watched this whole Mosin series. Getting my 2nd Mosin (91/30) next week. Hope I can finish it before my leave is up. Will try to get a few vids on it.
You should add all of these videos into a playlist for easy access.
Mineral Spirits. no scrubbing, just swish the parts around in the pan and the cosmoline comes off in little chunks.
I have refinished six now. I use painters pal by goo gone. It is a citrus based stripper. I love it just a thin layer and a few minutes and the finish comes right of. plus there is no harsh smell.
Another good video!
no. i did it to 3 of mine and it didnt damage them at all. you can buy a piece of 4" x 4ft PVC pipe and a cap to do the barrel. just put the barrel in first then fill. i also put in the cleaning rod and bayonet in there at the same time. just wear gloves and do it outside and use an old towel to dry them off. cue tips and an old tooth brush to get in and do the small stuff. oil everything back up, reassemble. done
Simple Green huh? IV8888
me and my dad we used lacquer thinner to remove cosomline. we use it for the first time on an unissued yugo sks we bought. just throw the small parts in a tub and let it sit for a few mins and its gone like nothing was even there. and just drizzle it over the rifle and the cosmoline drips off like water. tooks us two hours to clean 3 rifles. not dammage to the metal or the bluing.
don't worry about the rain on a tin roof it feels comforting to a lot of us
I use the base to a turkey flyer and a 35 gallon steel drum and boil the metal parts.
makes cleaning it easy and find a use for that stupid fry the other 355 days of the year
Do you think a blow dryer would be good approach for cleaning the comsmoline off the wood stock? I'm going to tackle this project this weekend. I picked up a '44 mosin for $50 on a black friday sale.
I'm going to do this later in the day. There is only a fine layer so it should be easy
Great series of videos. I'm going to rewatch them when its about time to be doing this myself but I have a few questions. Is there any way to do a quick inspection on the rifle in the shop before I purchase? Also, I checked this online but I'm getting mixed answers and was wondering if you could shed some light. If I live in PA but havent received legal residency in that state yet (moved from NY), would I be able to purchase a rifle in PA given the fact that I have a clean record?
Don't feel bad, same crappy weather here in Bama.
I used dawn and warm water in a zip lock baggie for 30 minutes. Then esed a couple coats of rem oil.
The one I put money down on isn't too bad at all with the Cosmoline mainly because it was stuffed into a crate along with some other rifles and given light coat. Now if you get one that was individually boxed such from some retailer such as Callbella's, Bass Proshops, or even Classic Firearms, they will be caked in Cosmoline.
Hey iraqveteran8888 first off your videos are very helpful and informative! I am looking at removing the cosmoline off of my two new mosins this weekend. I was planning to use mineral spirits mixed with hot water. However, I was wondering if I should be worried about the mineral spirits being to abrasive and possibly damaging the guns blueing. Thank you in advance for your insight!
Gas shoud work fine too, its strong degreaser. Rubber gloves, half mug of gasoline, rag, brush, work above something that can collect dripping gas. Dont smoke, work near fire/stove. I did that this way when working as mechanic in one shitty factory.
That was one clean rifle compared to the one I got that was dripping with cosmoline. I wrapped the stock in newspaper put it in a black garbage bag and put it on the dash of my car in the middle of the summer the heat soaked the cosmoline out of the stock and into the newspaper worked great.
Would a hair dryer work well to get the cosmo out of the stock? I just got a 91/30 like 3 days ago (cant take it home for another 8 because i live in california) but your videos have been really helpful in getting me prepared for inspecting and cleaning out the gun when I finally get that sucker home.
Does a hair dryer get hot enough to sweat the cosmoline out of the wood? If not, when I used to do electrical work we used these heat guns to shrink wire numbers onto the wires. They looked like a hot rod hair dryer, and they got really hot. There was even a stand you could sit them on and have both hands free. Not sure if those heat guns would work or not. Im just wondering if you know what Im talking about, and if it would work for this. My brother just ordered a Mosin.
good video. How do you tell if the your stock has a nasty lacquer on it or if its caked cosmoline. Mine has a bunch of scrapes on the handgaurd that i can't tell if its cosmoline or lacquer.
what is a good simple green sub since I have no idea where that is sold in central florida and have never seen it before?
You bring up use of steam from hot water to sweat out the cosmoline from the stock, would one of those handheld steam ironing devices work on that and also how good would an citrus oil based cleaner work (goo gone, orange oil etc.)?
Not sure if anyone's mentioned it but the one metal simple green CAN'T be used on is aluminum, been told that it makes it look horrendous
Is mineral spirits not mild enough in your opinion? I've seen a video or two of people doing it that way. I'm allured by the option of having an easier way than scrubbing it all down, but I'd rather scrub it all down if that means the gun will be in better shape.
conversely alot of people put it on a pedestal and make it out to be the greatest thing since sliced bread
@Iraqveteran8888 No...I think I paid like $8-$10 for a gallon jug of the stuff at walmart back in 2008 when I got my first 91/30. I've got a long tray that I just lay the barrel action and the metal parts in then I pour enough paint thinner in the tray to cover the metal parts. Then I let them sit for 15 minutes and dry them off. I've done 3 mosins so far and I think I still have enough left for one more.
is it okay to just let the metal parts dry after you use the simple green or do you need to use another solution to prevent rust?
So how often would you say you scrub the lube off your parts?
Also, don't worry about the rain! I wouldn't have noticed it if you hadn't pointed it out, and even then I could hardly hear it. :P
to clean the stock just get a thick layer of paper towels, soak them in water, then put the towels on th wood and iron the towels. steams it roght off.
That container from Thanksgiving left over from last year, I got 1 exactly like yours kkk.
Have you ever used Ed's Red? It's a solvent that's in the public domain that works extremely well. I used it to completely clean my M91/30 and it worked perfectly.
Big Question, is it necessary to take apart the Bolt, or can we throw it in as one piece?
What is the reason for wanting to remove all the cosmoline from the stock? I could see wiping it down to remove excess, but I would think it would help protect the stock from absorbing moisture and also protect the metal that touched the stock.
if you can't use water, then would it be ok to use rubbing alcohol and a tooth brush to get the cosmoline off the stock?
is there any other way to dry it off other than a air compresser? would a hair dryer or rag work?
Just bought a Mosin 91/30 and waiting to pick it up later on this week. Your vids on taking the mosin apart and removing cosmoline are really good! Thanks a lot. Now my question is, once I go through the cosmoline removal process do I have to refinish the wood? Can I just leave it the way it is? I am no expert and need some help.
Thanks Iraqveteran8888
Mineral spirits works great!
An American friend of mine swears by the method of packing the stock with kitchen paper and wraping it with it then leaving it out in a really hot day. The Cosmolene is then soaked up by the paper and you can just leave it. A realy caked stock might nttd this done 2 or 3ven 3 times. He also swears by orange oil cleaner to get it off the metalwork. Just dont try orange oil on the woodwork it takes the varnish off and everything and gets into the wood.
Has anything happened to the metal after using the simple green? Just wondering seeing as this will be my first Mosin.
I've heard that Hoppes 9 works well also.
What if I just went around the stock with a hair dryer? Would that damage the wood at all? Do I even need to remove it from the stock?
@Iraqveteran8888 Sounds fantastic. I have one that is probably a candidate for sporterizing. I may just float the barrel and cork it and add a pistol scope and trigger and keep the stock though. It's extremely rough wartime machining and the stock looks like someone ran out of shells and used it for a club.
can you keep trigger assembaly in and just clean the trigger with it or is that bad to do
Does the cosmoline hurt anything except in the bolt, magazine, bolt area, & barrel?
so after im done scrubing down my parts i rub it with a cloth or do i let it air dry?
Could I still remove the cosmoline without taking the trigger apart?
What kind of wood cleaner should I get to clean the stock?? I just got myself my first gun which is a mosin but the stock is just caked in cosmoline. I can handle cleaning the metal stuff but I dont want to strip or harm the wood stock since its in pretty mind condition.
A heat gun or hair dryer works great for the stock. Takes a while, but it gets the job done.
Ever used mineral spirits for cosmo removal?
52kcolg I don't know what you did but simple green and hot water is the best way I have ever used to clean my guns. It is taught to gunsmith students by one of the well known gunsmith schools. How long did you leave your parts in the solution?
no apologies necessary, i didnt notice the rain in the background til u mentioned it with the captioning
Yes. The water and simple green should wash all cosmoline and gunked lubricant from the gun, once it dries the gun is DRY! Here meaning no lubricant or oil is present on the gun. THIS ISN'T A GOOD THING! A gun should always have a thin coat of lubricating oil on all moving parts AT ALL TIMES!
I use Hoppe's gun oil, but any quality gun oil from your local gun shop or Walmart will do. Coat all metal surfaces and moving parts so that they have at minimum a thin slippery coat. More is always better
wouldnt useing steam to remove the cosmoline damage the stock by allowing the vapor into the stock ?
can i use carberator fluid? my dad said carbarator fluid would work well, i never cleaned a firearm but he has since he was in the marine corp im just making sure
Is it true that Super clean works better than simple green?
would windex be a good replacement for simple green?
I'm just now getting into firearms and i was wondering..is cosmaline something you absolutely have to get rid of? Sorry for the ignorance..
I recently removed as much cosmoline out of my Mosin stock with a heat gun. I am planning to refinish it with Boiled Linseed Oil. Since the stock wood is so dry, will several coats of BLO saturate the wood? Or should I put something else with the BLO to seal the stock and prevent cracking? I am worried once I start shooting it the heat will "unstick" the BLO.
How'd the heat gun work? I'm considering using one myself.
Is the refinishing necessary after use of the heat gun, or is that just your personal preference??
Could you do this with water and denatured alcohol?
would a blow dryer work for the heat on stock?