Very Best Penetrating Oil Used on 109 Year Old USMC Colt 1911

[GoldensRule]

Last night I was working on my long deceased Grandfather's 1916 USMC issue / purchased Colt 1911. It has been stored away and unused for many years and back then they didn't issue USMC specific weapons so, it has the Classic US Army markings. I discovered the four screws holding the original grips in place were frozen and wouldn't budge along with the sear pin. I Didn't want to damage the flat head screws or anything else so I used a product I've been using for decades and I think it's the very best penetrating oil on the market. One drop from a toothpick on all five fasteners and this morning they came out as if they were just inserted yesterday.

This product has been around for a long time but I don't think it has the brand awareness of things like Liquid Wrench, Silicone Spray or WD-40 (yuck).

Here is the link to the company: https://www.kroil.com/products/

And a picture of a spray can. I hope this helps someone else, this stuff is remarkable. (I have zero affiliation with or investment in this firm or it's parent)

 

[Hit Factor]

I think the word has been out for awhile now.

 

[peahi2]

Yes. Old news in the gun world. Be careful, can damage some finishes

 

[GoldensRule]

Yes. Old news in the gun world. Be careful, can damage some finishes

It's my hope that younger people who are just joining the ranks will benefit from the recommendation. Not concerned about teaching old dogs, we don't learn much anyway.

 

[secretaznman]

Last night I was working on my long deceased Grandfather's 1916 USMC issue / purchased Colt 1911. It has been stored away and unused for many years and back then they didn't issue USMC specific weapons so, it has the Classic US Army markings. I discovered the four screws holding the original grips in place were frozen and wouldn't budge along with the sear pin. I Didn't want to damage the flat head screws or anything else so I used a product I've been using for decades and I think it's the very best penetrating oil on the market. One drop from a toothpick on all five fasteners and this morning they came out as if they were just inserted yesterday.

This product has been around for a long time but I don't think it has the brand awareness of things like Liquid Wrench, Silicone Spray or WD-40 (yuck).

Here is the link to the company: https://www.kroil.com/products/

And a picture of a spray can. I hope this helps someone else, this stuff is remarkable. (I have zero affiliation with or investment in this firm or it's parent)

View attachment 93783

You said it right! I use that for what you described, works like a charm. I like Slip 2000 products but parts from old guns stuck Aero Kroil works like a charm!

 

[riceman]

Thanks​

GoldensRule - Not concerned about teaching old dogs, we don't learn much anyway.​

You are wrong there I am an old dog and going to give this a try. Have an acetylene tank with lid that has been on there for 10 years I have tried everything even used a pry bar in the openings after soaking with PB Blaster and Nuts Off (nuts that go to bolts- for you young whipper snappers).
I will be giving this a try in a couple of days and report back.

 

[GoldensRule]

Thanks​

GoldensRule - Not concerned about teaching old dogs, we don't learn much anyway.​

You are wrong there I am an old dog and going to give this a try. Have an acetylene tank with lid that has been on there for 10 years I have tried everything even used a pry bar in the openings after soaking with PB Blaster and Nuts Off (nuts that go to bolts- for you young whipper snappers).
I will be giving this a try in a couple of days and report back.

Please let me know how it works. As for old dogs.... I did say "we"....... ruff, ruff, stretch....., snacks??

 

[riceman]

GoldensRule​

Haven't forgotten, the Kroil is in pickup. Finally headed to ranch tomorrow.

 

[riceman]

Damn how time flies when you get old. Tried Kroil oil while at shop. Let it soak for 5 hours. No go but I expected that. Put it in vise and applied Kroil. Came back couple of days later and applied more. Will get back to shop sometime this week and report.

 

[GoldensRule]

Acetylene makes me a little nervous, that stuff can go off like a bomb if it's allowed to escape the tank valve at slightly too high of a rate, just the friction of the gas leaving the tank too rapidly can ignite it.

That said, I wonder if a chain wrench might help, one where you can bang on the handle and or add a piece of pipe for leverage? Now this is counterintuitive but, sometimes if you try tightening first, then loosening, that can make all the difference?

Personally, I wouldn't have the courage to apply flame to this, that might make you very unpopular in the neighborhood. Not to mention dead.

PS. Do you have a nearby gas supplier, as I recall, they have special hydraulic tools for dealing with this and they might spin it off for you for free. Just a thought.

 

[riceman]

No worries there is no way I would use a flame even on a so called empty acetylene tank. Going to use prybar through slits in cap.

 

[GoldensRule]

No worries there is no way I would use a flame even on a so called empty acetylene tank. Going to use prybar through slits in cap.

I agree, "empty" tanks can make some of the most powerful bombs. From the looks of your shop, I assume you have already tried tapping the female threaded area of the cap to loosen the rust. Now I feel like I have vested interest in this. Please let me know what works.

 

[riceman]

GoldensRule-From the looks of your shop.​

Hey buddy are you making disparaging remarks about my shop. Jk . Thanks for the heads up about the Kroil.
Finally got back to my shop and with a few light taps of a hammer was able to get the cap removed.

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