help me pick a solvent for....

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_N4Z_

_N4Z_

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Michigander lost in... The Yonders, Oklahoma
Cleaning up a 50+ year old Mosin M44 Vietnam bring back, with a filthy sewer pipe for a bore.

So far I've been soaking with Butches Bore Shine, and Hoppes #9, and scrubbing with cut up stainless steel scouring pad pieces wrapped around an old bore brush.

Stuff coming out the end looks like rusty sewer water. Nasty. I think there is a decent bore hiding underneath all the crud. Rifling is still there too.

Taking opinions on anything that might speed up the process.

Thank you all for any insight and support.
 
ive had good luck with apple cider vinegar for motorcycle parts. plug the barrel and pour in the vinegar. let it soak for a few days. parts need to be submerged to be cleaned. it stinks but it turns the hard rust to fluff. a few passes with a brush and the rust is gone. oil it right after or it will start rusting again.

the apple cider vinegar will destroy some aluminum alloys so only use it on steel.
 
One word, EEZOX. Eezox is simply the best cleaner/preservative I have ever used. It penetrates super deep like a cutting oil and makes barrel cleaning easier than ever before. Also, I do not find the smell offensive whatsoever. Actually, the smell is quite pleasant to my nose:D . Try it, and you will never go back to Hoppes or Break-Free.
 
Had pretty good luck with Blue Wonder. Basically brush the stuff in, let sit 5-10 mins, patch out. Repeat until stuff stops coming out. It'll pull a lot of gunk out a barrel I thought was already clean. Never tried it on something that's really fouled first, so YMMV.

-Jenrick
 
#1 stop using the stainless scouring pad in the pad. Really, Really bad idea.

#2 Don't pour brake cleaner down the bore. It won't help with copper.

#3 Suggest you start with GMTEC (Top engine cleaner). Use this, with brushes to remove carbon and non-metallic crud.

#4 After a few applications of GMTEC, plug the breech and fill the bore with WipeOut foam bore cleaner. After an hour or so re-apply (but don't remove) what was in there--you just want to increase the concentration.

24 hours later patch out. If you still have copper, follow with Sweet's or Montana 50BMS on brushes. Then repeat the Wipe-out.
 
um, i really think the best thing is apple cider vinegar. it eats rust. it will not eat steel. brake cleaner doesnt touch rust. you have to either remove it chemically or mechanically, and mechanical removal will damage metal.

soak the barrel good and then brush it till its clean.
 
autozone sells this stuff in a gallon bucket, steel with lid, it is 20 dollars. It comes with a smaller hanging screen bucket inside of it. This stuff is so radical, i t took all the blueing off an Aluminum receiver. no rubbing no rinsing at all. it cleaned chunks of crud out of a mod 60 receiver, all i did was just tip the receiver down, and let the crap run out.
 
Thank you all for the responses.

Rusty, I am trying the apple cider vineger as I write this. Had a big jug of it already on hand, been soaking for a good 12 hours now. Great idea actually. Acids, oxides, high school science and such. Thank you.

Yo, thanks for the input but copper is not the issue of this thread. 50 years work of rust, funk, non-use, and neglect. The stainless steel ChoreBoy wrapped around an old brush is a trick I picked up on SurplusRifle forum. It's not such a bad thing for getting the hard core crud chunks out.

Ranger, what is the stuff from Autozone?? Parts cleaner in a bucket? Sounds like a good thing, but I just gotta try the vineger trick first.

I've never seen Eezox in this area, but I have seen BlueWonder on occasion.
 
both apple cider vinegar and the autozone super cleaner harm aluminum.

simple green causes stress cracks in aluminum(acording to many many vintage motorcycle nuts, and ive seen verification but i dont have it onhand)

basically, watch out for non steel parts when you use these miracle solvents.

carb cleaner can melt plastic gun parts.

all i am saying is to be careful.

i soaked a pistol frame in one of these solvents for a few days once and it crumbled in my hands when i removed it. scared the poop out of me. it was some alloy, not steel.
 
I've had some Mosin bores that were so crapped up, I couldn't see the rifling. I've been soaking the bore with foaming bore cleaner, let it sit for an hour or two, then fill the bore again with more cleaner. Try to keep it full/wet for a day or two and it does a good job of softening the junk inside. Then, I use new bronze brushes on a brass cleaning rod, set in my cordless drill and I use M-Pro 7 Bore Gel. It doesn't fling around, the gel coats the bore and the drill and brush does the rest. A few passes and some patches really clean it up well.
 
O.K. I'm calling B.S. on that nonsense about carb cleaner harming aluminum!

What pray tell do you think carburetors are made of? Friggin Aluminum! Having used it to tremendous effect on carburetors on many occasions I think it's aggregiously wrong to suggest that it would damage the basic metal used for every carburetor I've ever rebuilt! The label does include instructions to remove rubber hoses, o rings etc because that stuff dissolves them quite well.

But people the poster is asking about an M44 which is a big piece of steel! There are no plastic parts in the entire rifle, nor are there any aluminum parts. Aside from stripping the blueing, pretty much anything that doesn't harm steel won't damage the gun.
 
Windex always works well for me. Shoot some windex down the bore and then run some patches through until it's clean. Then clean it up as you would any other rifle. I'm betting the sewer water is the leftovers from corrosive ammo.
 
*


The carburetor dip is Berryman ChemDip. It should be safe for aluminum, but death on anything organic, like rubber or plastic. It is really good for caked on carbon like on an AR15 bolt or a Garand piston. The bluing it took off the aluminum was probably a baked on lacquer finish.


*
 
I've brought a really ugly sewer pipe bore to a somewhat respectable level of cleanliness doing exactly what Kymosabe described, but I plugged the bore and filled it with Brasso and let it sit overnight first.
 
I haven't heard of someone using the SS Chore-Boy's...but I use the copper chore boys or the dollar-store equivalent...


really fouled barrels that I have come across have always gotten a dose of Ed's Red and a copper chore boy.


D
 
Soak the barrel with KROIL and it will get the crud out. KROIL is a penetrating oil that really works well. I have been using it along with JB Bore Paste and I am very pleased with the results. It is available in liquid or spray can which is the one to use.
 
Rusty, the vinegar worked pretty well. I left that barrel filled with it for a little over two days. Looked pretty darn nasty coming out when I unplugged the end. The chamber looks immaculate now, and it was fairly covered in surface rust. The bore is quite pitted down the entire length, mostly in the grooves, but the rifling as I suspected is more than servicable.

Following the vinegar bath I scrubbed the pee out of it with Butches Bore Shine, followed by some Hoppes#9. .... I was running low on both. Gave it a good oiling after that.

Took it out that weekend and put 20 rounds on Czech silvertips thru it to make sure it wasn't going to blow up. It belongs to my brother inlaw who I will be giving it back to. It shot just fine, no indication of headspacing issues or anything else of concern.

After the usual corrosive ammo clean up routine I found that the bore now has a good deal of shine to it! I think Bill is gonna be happy as he didn't think the thing was even usable.

Also I was not right when calling this rifle a M44. It is in fact a Type 53, which is the Chinese copy of the 44.

Anyway, thanks again for your assistance Rusty. The cheapo jug of vinegar really did the trick, because the bore looked horrible when I first got ahold of it. ;)
 
now part of the trick is to let the copper build up. the copper fouling will fill in holes and id bet the rifle gains accuracy from it.

it always amuses me hearing about guns brought back from the edge. i know a guy who has a ruger mini14 that lived in a river for 10 years. it looks like the surface of the moon. no word on accuracy yet as its been raining a lot and we are waiting for a sunny day to test it.

any pics of yours?
 
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