LCW 7.62x39 Nail Test

One thing that could have possibly affected the OP's original test is the tactic of putting the nail board on the counter in the bathroom while showering in an attempt to expose it to higher relative humidity. A closed bathroom during a hot shower with steam and condensation is more like 100% humidity. I know it doesn't explain why one nail had no rust, but it could have skewered the results. Even most stainless steel will rust if exposed to constant high condensed moisture.

I think the danger of the salts left by corrosive ammo is that it will draw and attract the non-condensed moisture from the air. Any rifle will rust if left in the rain or drizzle no matter what kind of ammo is used.

Just a thought.
 
Maybe the proximity of the 3rd nail to the 2nd....the 2nd did get a dose of chinese surplus....that may have contaminated the bottom of the 3rd nail leading to rust.
 
Damn should have picked up a crate at the chilliwack show only.got a few boxes. Hope u show up At burnaby hacsagain with a few cases to sell at the nice even number again.. One can hope.. Lol.

Thanks canam! Great to see a retailer doing the right thing. speaks volumes of the great customer service.
 
Alright well I'm back in town now, I started my second test last Wednesday I do believe, and then left for Edmonton. The test was two nails with LCW primers, and two nails with S&B non-corrosive. So there was no possibility of contamination from the old Chinese surplus.
I checked on them this morning, about 6 days after the start, and all was looking well! The S&B were still metallic, the LCW were still black, and life, it seemed, was good.

Some of you have questioned me on here and in PM's about leaving the nails on my bathroom counter while I shower to get a little moisture from this dry Calgary air, which I appreciate, and they are valid concerns, it's not exactly a controlled environment. But like I've said, I'm not a scientist.

I've been out of town so the nails have just sat in dry, normal Calgary air. I decided this morning, just for good measure (for my own curiosity) to bring these nails into the bathroom just ONCE to get some moisture, seeing as how I considered my test to be concluded anyways.

So it was maybe 20 minutes in a fairly (but not overly) humid room, and then removed. I figured I'd wait a day, and check em one last time, but literally half an hour later something caught my eye, so I went over to have a look, and to my extreme surprise, BOTH LCW nails were red, and both S&B nails were still metallic.

Soooo I don't really know what to say... 20 minutes of moisture, and half an hour of drying time and BOOM, rusty nail. Went from black to red in less than an hour after 6 days of dry air with no change.

Whether some of you think my shower method is unreliable that's up to you.

Here's one of the LCW nails. Both of them look the same. I don't know if it's just my computer, but the nail itself is a much brighter red than the picture gives credit. Remember it was black half an hour before this photo was taken..

1z5rhbp.jpg


So if you guys think I'm doing it wrong, that's ok. If these LCW are non-corrosive, then the S&B should have rusted too right? Unless S&B has some type of secret protective salts in their primers. I apologize Canam, as I'm not trying to gouge your business. But you say these are non-corrosive, and I rreeeaaallllyyyy wanted to believe it, but frankly, I just don't. Perhaps they are slower acting than other more well known corrosive primers, and maybe a shower is more humid than normal conditions, but I think over time, without proper care, the results would be the same.
 
Kane63 said:
Should be alright if you don't shower with your rifle. I guess I'll have to stop doing that. :D
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Quit the sarcasm for Pete's sake; mobusten is doing us all a big favour by alerting us to the fact that the LCW ammo may produce corrosive effects in our firearms.
 
bluebell said:
Quit the sarcasm for Pete's sake; mobusten is doing us all a big favour by alerting us to the fact that the LCW ammo may produce corrosive effects in our firearms.
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Not sarcasm, it was simply a joke.

I have 2 cases of this stuff, purchased solely because it is non-corrosive, so I am also eagerly awaiting a definitive answer.
 
Do your test with a humidifier instead of the shower if you have one. Also, it might be good to have two nails that have no powder residue on them. It sure does seem strange though for it to rust so fast, and why no rust on the S&B nails. I live near Calgary too and I know the RH is low here, but I would have thought it high enough to cause some corrosion on those nails after 6 days if the residue was corrosive.

All my ammo is the cheap Norinco corrosive so this all doesn't really affect me at this time but it would be nice to know for future purchases. If I had bought and fired ammunition that I thought was non-corrosive I would still have cleaned my rifle but I wouldn't have flushed it with hot water and I likely wouldn't have bothered cleaning the gas piston so it definitely is important to know what's in there.

So, I understand your concern and why you just want to know exactly what's going on. As does CanadaAmmo probably.
 
I don't have a humidifier, and I'm not buying one. As far as I'M concerned I'm considering this corrosive, and I'm finished with testing. Nothing goes from normal to covered in rust in less than an hour without some help. Doesn't really matter how much moisture is in the air. If others don't agree with my analysis that's fine. But I've had 3 of 3 LCW nails rust and 3 of 3 S&B unchanged under identical conditions, in two separate tests. If others want to continue their own tests, there's nothing stopping you. But I'm convinced with what I've seen with my own eyes.
 
so does this mean i should be concerned about the norc 5.56 and .45 ammo that i put through my guns without an immediate cleaning?
 
mobusten, I just want to say that I appreciate the time and effort you have taken to do this test, and speaking only for myself, it seems pretty convincing absent any other evidence or explanation.
 
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