DUV 42 r block, mold inside stock?
- Thread starter Jdt
- Start date
I just found 5 or 6 rifles in my safe with the same mildew but on the exterior of the buttstocks. Most are laminate K98k's.
After wiping the mildew off I sprayed the areas with a mold/mildew killer, (can't remember the name right now), then wiped them down with Ballistol. This is the third time it had happened with these same guns.
After wiping the mildew off I sprayed the areas with a mold/mildew killer, (can't remember the name right now), then wiped them down with Ballistol. This is the third time it had happened with these same guns.
Third time? Dang that sucks, I'll probably ask my grandpa tomorrow what he recommends. Google turned up a number of option to take of the mold/mildew.
Mauserguy85
Well-known member
Mold is nasty 
thing. Very tough to kill. I wish I could give advice on what to do on k98k stock but it’s never happened to me…
Humidity issues?
thing. Very tough to kill. I wish I could give advice on what to do on k98k stock but it’s never happened to me…Humidity issues?
It came this way to me, vinegar is evidently a good substance to use, just concerned that it could stain/ruin the stock finish. I'm thinking fairly hard on going to the vinegar route tho.Mold is nasty
Humidity issues?
Evidently dishwasher detergent and warm water with a brush is good, distilled white vinegar and also vodka
the vodka is interesting lol
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Disregard vodka, what I'm dealing with is wood white rot fungus, undiluted distilled vinegar is the solution, leave to soak for 1 hour and let it air dry then wipe away with a cloth.
Maybe, having a dehumidifier in my safe helps but I could put a thin layer of ball bearing grease on the metal so a layer of grease is inbetween the metal and treated stock. Wanna get it cleaned up so I can do a pic thread on it.
Muncher 1953
Senior Member
I wouldn’t use anything containing water. even 150 proof vodka is 25% water. I’d use grain alcohol (200 proof), industrial methanol, (even 90% isopropyl (rubbing) alcohol is 10% water) perhaps acetone (my favorite solvent) on the tip of a q tip & dab it onto the white spots then let dry well. (use w/ventilation!)
I’d leave the action out of the stock for several days to dry, maybe put it in direct sunlight to push it. If you’ve got mold in spots like this, Ithink you may have a humidity problem.
If this is on a high end rifle, I’d think about contacting your states’ university agricultural extension service, they typically have labs/people who could confirm if it’s really mold & not some other weird stuff.
I’d leave the action out of the stock for several days to dry, maybe put it in direct sunlight to push it. If you’ve got mold in spots like this, Ithink you may have a humidity problem.
If this is on a high end rifle, I’d think about contacting your states’ university agricultural extension service, they typically have labs/people who could confirm if it’s really mold & not some other weird stuff.
Cyrano4747
Well-known member
If it is mold I'll second/third that you've likely got a humidity problem. Do you have a humidity monitor for your safe (not just a goldenrod or the like - something to actually get a reading on what it is). It could be that your dehumidifier isn't sufficient and you need a bigger/better one.
Rifle came to me like this, non of my other rifles have this issue so this is from a previous owner (don't remember what state it came from but the first time I took it apart I found dead bugs inside the stock and this white crap was there)
Not really high end honestly, it's a r block DUV 42 finished by Gustloff with 3 mismatched parts and a crack on the side just below the wood edge of the stock inbetween the barrel bands.
Stephan98k
aka 8x57IS
A weapon does not always have to be "high end", other features can also make it a very special collector's item. Be careful when cleaning and remember Peter S warning.
I look forward to more pictures, all details and especially the stock date code are important. There should be something like this "Mü 4 45 42".
Maybe you don't see it yet, it could be one of your most interesting K98k.
I've got the stock code already. I'll drop the code in this thread.
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Cyrano4747
Well-known member
Just a note: be careful with most products that are advertised as household anti-mold treatments. For the most part they're just bleach with a surfficant to help it stick around better.
edit: you have this segregated from your other guns, right? If it came with dead bugs and suspected mold I wouldn't want it near the rest of my collection until I was 100% sure whatever crud it has isn't going to spread. All it takes is a few mold spores hanging around in your safe and a power failure on a humid day and you've got a real problem on your hands.
edit: you have this segregated from your other guns, right? If it came with dead bugs and suspected mold I wouldn't want it near the rest of my collection until I was 100% sure whatever crud it has isn't going to spread. All it takes is a few mold spores hanging around in your safe and a power failure on a humid day and you've got a real problem on your hands.
Stephan98k
aka 8x57IS
The stock fits and the code is "Mü 4 48 42", it means November 26, 1942.
The serial number should be around "9700r".
The serial number should be around "9700r".
Close! 9984 r almost to the S block of rifles.