What Auto is least likely to rust?

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Park is only really a step up from bluing and not really all that effective without constant care.

Paint over park, which many countries used, is a major improvement though and holds up well to hard use.
 
My glock 27 took a few dips. Zero rust. Lived 40 minutes from the coast. Zero rust. Never really cleaned it like I should have. Still zero rust. Can they rust? Yes! But maybe mine was defective. In all fairness when it took a dip I did clean it. But never like a monthly thing.
 
A slide made up of a Zinc, Aluminium. Magnesium, Copper alloy is much more corrosion resistant than anything with iron in it.

Z (Zinc), A (Aluminium), MA (Magnesium), K (Kupfer - copper) = Zamak

The Hi Point slides are made of Zamak-3, which is very corrosion resistant. In addition, Hi-Point coats the slide with a very durable powder coating.

The Hi-Point frames are polymer. There are guns with stainless steel barrels and mostly stainless steel internal parts, but the interior of a gun can be be oiled and greased

I think Hi-Points are probably the most rust resistant handguns.
 
"Why a De Lorean of course". Nice........ The gun that is least likely to rust is the gun that is carefully maintained with a thin layer of oil on it. If you don't keep it oiled - it WILL rust. Leaving it unattended is the issue - not the steel.

I haven’t kept a gun coated in oil since the late ‘60’s and haven’t had any rust. Buy a can of Johnson’s paste wax and wax them. Of course I use oil on the insides.
 
You have to be careful about what wax you use. Make sure that it is PH neutral and that it has zero abrasives in it.
 
"I haven’t kept a gun coated in oil since the late ‘60’s and haven’t had any rust. Buy a can of Johnson’s paste wax and wax them. Of course I use oil on the insides." Having been stationed in New Mexico (assuming you have been there since the 60s) I kind of think your climate has considerably more to do with your guns not rusting than using Johnson's Paste Wax. Besides, in a desert environment paste wax will evaporate away in short order. I have never seen any manufacturers that shipped new firearms coated with Johnson's Paste Wax. They use oil because it lasts much longer.
 
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But carried against a sweaty, inner layer t-shirt this May-September, the frames might require frequent wiping with a thin oil layer, at least once a day.

Do they not need this each day when carried in humid, hot climates? For example, Walther P99, S&W 6904 (3rd. Gen.). The holster is a soft Remora, IWB.
 
They use oil because it lasts much longer.

I don't know if Glock still puts a dab of copper anti-seize compound in their guns, but one application it is good for is staying put and still providing lubricity even after sitting for a long long time.
 
Here's a pic of a Colt Stainless frame that someone left the rubber grips on way too long before looking. As mentioned so much for stainless being rust proof. IMHO, a Glock would come close to be the one you can store away and forget but not totally of course.

I dont use rubber grips on anything.. However, I too have a SS 1911 that I used to have to keep an eye under my left hand grip panel as it tended to get rust spots when I EDC'd it. (RH carry)
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"I haven’t kept a gun coated in oil since the late ‘60’s and haven’t had any rust. Buy a can of Johnson’s paste wax and wax them. Of course I use oil on the insides." Having been stationed in New Mexico (assuming you have been there since the 60s) I kind of think your climate has considerably more to do with your guns not rusting than using Johnson's Paste Wax. Besides, in a desert environment paste wax will evaporate away in short order. I have never seen any manufacturers that shipped new firearms coated with Johnson's Paste Wax. They use oil because it lasts much longer.
 
Thanks for the lesson on the durability differences between oil and wax. I have lived here since 1956 and know first hand how they compare in their effective lives. Wax lasts much longer than oil and I have learned that from actual everyday use. I had rust problem with oil up until I switched to wax. The manufactures use oil because it's cheap, fast to apply, and their product isn't going to be exposed to the elements until sold. Sometimes they use nothing at all as I have purchased a number of new guns that were like that.

By the way, NM isn't all desert. My area certainly qualified last year but it isn't always as dry as last year.
 
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By the way, NM isn't all desert. My area certainly qualified last year but it isn't always as dry as last year.
I have no comment on your wax vs oil argument, but while you may not live in a desert, but relative to some place that may be on a the coast, or has weather extremes you are probably as close to a "rust free paradise" as any place in the US.

https://en.wikipedia.org/wiki/New_Mexico
... while western and southern New Mexico exhibit a warmer, arid climate.
 
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I have no comment on your wax vs oil argument, but while you may not live in a desert, but relative to some place that may be on a the coast, or has weather extremes you are probably as close to a "rust free paradise" as any place in the US.

https://en.wikipedia.org/wiki/New_Mexico

It certailyl isn't like the northwestern and eastern parts of the US but I don't need wiki to tell me my weather conditions. I suggest you spend some time in the big bend area of Texas, southern Arizona, or the southwestern part of NM and you will find that I am not as close to a "rust free paradise" as anyplace in the US.
 
I kept a cheap Remington Viper(plastic and cheap bluing) in the trunk of my car for 4 years with no issues----this was through hot humid summers and sub zero winters-----it wasn't in a case and I really didn't care what happened to it. Think I got $50 bucks for it when I finally traded it off.

So I'm not sure what can learned from my experience but the gun looked and worked fine.
 
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