7.62 x 39 ar

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hbean

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Correct me if I am wrong here, but running surplus corrosive ammo would be a just asking for trouble unless you realy enjoying cleaning the gas tube out every time you shoot.
 
I guess I should phrased it better, to my understanding that when you use corrosive ammo, the corrosive chemical gets atomized and mixed with the gases, so in the case of an AR, one can assume that the corrosive chemical will get into the gas tubes and start eating away at the gas system.
 
hbean said:
I guess I should phrased it better, to my understanding that when you use corrosive ammo, the corrosive chemical gets atomized and mixed with the gases, so in the case of an AR, one can assume that the corrosive chemical will get into the gas tubes and start eating away at the gas system.
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Yeah... This thread just seemed to come out of nowhere.

Direct impingement + corrosive ammo = lots of maintenance. That much seems pretty widely understood.

Then again, 7.62x39 is a lot less expensive than .223!
 
Sweet Jesus........

There's no "corrosive chemical". "Corrosive" ammo means that there's salts in the primer compound that are hydrophilic (attract moisture) and some get deposited in the barrel/gas system after firing. If there's moisture to attract, then rust may form. Boiling water will clean any and all "corrosive" residue from your rifle.

The gas tube is what, a $10 part? Throw it away and get a new one if you need to.
 
When you say boiling water will clean, can that wait until you get home? I'm sure you're not sitting in the ranges washroom with your little electric kettles right? hahaha. I don't have such a firearm but I'm curious to where you'd actually poor it as I think I want a cz858 next.
 
ShaneN. said:
When you say boiling water will clean, can that wait until you get home? I'm sure you're not sitting in the ranges washroom with your little electric kettles right? hahaha. I don't have such a firearm but I'm curious to where you'd actually poor it as I think I want a cz858 next.
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Yes, it can. In fact I usually only clean my 858 thoroughly every 3rd range trip. I just spray WD40 down the barrel and in the gas system between cleanings.

No rust or "eaten away" parts yet.;) Of course, it's drier in AB than in many other parts of the country so YMMV.
 
so you just simply poor the hot water down the barrel and give it a clean? the whole corrosive issue seems to get blown out of proportion.
 
ShaneN. said:
so you just simply poor the hot water down the barrel and give it a clean? the whole corrosive issue seems to get blown out of proportion.
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And through the gas system if possible and clean as per normal.

Yes, the issue is blown incredibly out of proportion.
 
ShaneN. said:
so you just simply poor the hot water down the barrel and give it a clean? the whole corrosive issue seems to get blown out of proportion.
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If it was literally corrosive, you figure a military would use it? Of course not. Think of how much of that ammo they put through their rifles at just one range shoot. Therefore, it has only been blown out of proportion by people's assumtion without knowledgable base. You shouldn't have any problem using 7.62 surplus ammo.

Generally, you should do a pre-firing clean and a post-firing clean of your rifle (if you own an AR variant). That's what we do in the military. If you own a Warsaw-pact firearm (which would make sense if you're inquiring about this caliber), then you don't necessarily need to do that cleaning everytime. The weapons are built to be more rugged and can still functional as optimal gummed up with carbon as they do when spotless clean (to a degree). However the overall condition always depends on the amount of care you give to any firearm. If you clean it all the time, it will inevitably last longer, and your accuracy and flawless action will be reflected by this.
 
The corrosive ammo is news to me....I never used this and was actually under the impression corrosive ammo was bad for the environment. Not sure when I started believing this or why, but its nice to know! ;)

BTW, what does YMMV stand for, its one of the few remaining acronyms that I dont know yet.
 
Demon971 said:
However the overall condition always depends on the amount of care you give to any firearm. If you clean it all the time, it will inevitably last longer, and your accuracy and flawless action will be reflected by this.
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There is such a thing as over cleaning though (especially when you get people scraping the finish off the weapon's parts or scraping the crown of the barrel with a cleaning rod to "get the carbon off because it reduces accuracy":eek:.

I only thoroughly clean my personal AR's every 500 rounds, if I only fire 100-200 rnds it gets a bore snake and a wipe down of the bolt and carrier, reapply CLP and gets put back in the locker.

Corrosive ammo gets the rifle a thorough cleaning in soap and scalding hot water after every range session though:).
 
Acronyms

onagoth said:
the corrosive ammo is news to me....i never used this and was actually under the impression corrosive ammo was bad for the environment. Not sure when i started believing this or why, but its nice to know! ;)

btw, what does ymmv stand for, its one of the few remaining acronyms that i dont know yet.
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ymmv= your mileage might vary!!!!
 
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