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AR15.COM
9/27/2011 2:18:46 PM EDT
Iv been carrying a glock for about a year and a half now, and was wondering is there anyway the slide can rust?  I have some really corrosive sweat and have rusted kel tecs, sigs, along with all kinds of other stuff (cymbals and hardware on my drum set ect). So Im in the habit of oiling the outside of my slide but I was just wondering if its neccesary. Iv never really seen a rusted glock but my sweat is some high test stuff. What say yall?
9/27/2011 2:35:17 PM EDT
[#1]
Yes, a Glock can rust.  

I say if you're aware that your sweat is very acidic, and you've been keeping up the routine of keeping it oiled on the outside to prevent rust, and it's working.........then keep it up.
9/27/2011 3:03:10 PM EDT
[#2]
The tennifer finish on Glocks keep the slides from rusting unless the slide gets some deep scratches that go past the tennifer finish.   There have been many corrosion tests done on Glocks with rock salt and salt water and they do very well.  The springs inside WILL rust very easily.
9/27/2011 3:23:44 PM EDT
[#3]
Here is an issue I found today with my G26. Pitting on a well oiled GLOCK. My post over at GT.

CLICK HERE TO READ THREAD
9/27/2011 4:14:46 PM EDT
[#4]
There seems to be quite a few reports of some people with newer Glocks having rust problems lately. Seems to me that something has changed with their tennifer treatment. Years ago I had a S&W model 29 with a beautiful high polished blue finish that I used to baby. I was constantly wiping it down with break free and making sure not to leave any fingerprints on it after handling. I oiled it one day put it in my safe which had a a golden rod and large container of dessicant and didn't look at it again for 2 or 3 weeks. The damn thing was covered with a light coating of rust. what I think happened was I was using a several year old bottle of breakfree and  maybe due to its age there was a change in the chemical properties or through condensation or something water had gotten into the clp. Don't know exactly what happened but I never used breakfree again or used any gun oil that had been opened and sitting around for  more than a year.
9/27/2011 4:58:52 PM EDT
[#5]
Generally speaking and compared to other handguns, Glocks are EXTREMELY (I could almost say proof, but I wont) rust resistant. With normal use, it is very unlikely that a Glock will rust, just to see it rust, people have been doing some REALLY messed up shit to them, like sticking them in a sock FULL OF ROCK SALT, then pouring water over the whole thing and then just leaving the thing sitting down out in the open FOR WEEKS only to get light surface rust on them, try that with another firearm and it will rust itself shut. That said, yes, keeping the outside of your gun (or any gun for that matter)––lightly–– lubed, isn't a bad idea.

Haha, a SIG I used to own (old west germany made) sure liked to rust, hell, It'd turn ORANGE over night if exposed to something as simple as rain. I could almost HEAR the thing rust
I hear the new ones have a much much better finish on them.

HTR.
9/27/2011 5:26:23 PM EDT
[#6]
Don't forget to swab the barrel every now and then too.
I loaned a G19 to my dad for about a year, and when I got it back there was light rust pitting in the chamber.
The pistol sat in a nightstand drawer inside an air conditioned home nearly the entire time.
It can happen.
9/27/2011 6:27:21 PM EDT
[#7]
It will likely not rust on the flat parts, but in the contact areas and internal parts.
9/28/2011 4:47:06 AM EDT
[#8]
I carry one out on the salt water almost daily.  It will rust if you don't take care of it.  I have noticed that around the sights are the worst areas.  I started using mobile 1 synthetic (we use it on the boats) on the slides and have not seen so much as a speck of rust. Others I work with have tried various oils and they are still fighting the rust monster.  I honestly believe anything will rust if left exposed to any sort of hostile environment without proper care and handling.
9/28/2011 5:52:58 AM EDT
[#9]
Quoted:
I carry one out on the salt water almost daily.  It will rust if you don't take care of it.  I have noticed that around the sights are the worst areas.  I started using mobile 1 synthetic (we use it on the boats) on the slides and have not seen so much as a speck of rust. Others I work with have tried various oils and they are still fighting the rust monster.  I honestly believe anything will rust if left exposed to any sort of hostile environment without proper care and handling.


Yup.  First time I rusted mine was on the barrel where it first contacts the slide, and the sights, from being down at the ocean for a few days and out on the water for one of them.

Light surface rust that went away with a drop of oil and a fingernail, but it was there and would have spread if I didn't catch it.

I keep my Glocks lubed on the dry side, but the barrel gets an extra drop of 3-in-1 oil when I'm down at the shore.
9/28/2011 11:18:14 AM EDT
[#10]
Quoted:
I carry one out on the salt water almost daily.  It will rust if you don't take care of it.  I have noticed that around the sights are the worst areas.  I started using mobile 1 synthetic (we use it on the boats) on the slides and have not seen so much as a speck of rust. Others I work with have tried various oils and they are still fighting the rust monster.  I honestly believe anything will rust if left exposed to any sort of hostile environment without proper care and handling.


+1 on the Mobil1-syn. I like it because even after a month or more of sitting in the safe, there is still a light coating everywhere I put it. It does not take much to lube and dirt just doesn't want to mix with it.

9/28/2011 2:34:24 PM EDT
[#11]
Yes it can rust. My G23 slide with the shiny slide finish had surface rust in the extractor depressor plunger channel when it was brand new. About a year later I found VERY light surface rust at the rear of the firing pin channel. My G27 slide with the matte/rough light black finish was MUCH worse in both areas, and it had some rust in the groove where the slide cover plate fits.

I cleaned both with Hoppe's #9, a phosphor bronze bore brush, and for the extractor depressor plunger channel and slide cover plate groove I used a brass faucet screen cut down and wrapped around a q-tip. It took forever, but the rust is gone now. I now keep a light film of Ballistol oil on EVERY metal surface, especially the internal areas of the slide. Oil in those areas is not recommended because they don't get cleaned often, but I detail strip clean my slides after every range trip so a light film of oil in the slide internals isn't a problem.

I found out the hard way that it's easy to spot surface rust if you shine a cool white LED light on the surface of the metal. Surface rust will stick out like a sore thumb when you do that.