Lube for Bolt and carrier assembly

[Vapor]

Just to be clear, I don't use WD 40 as a lubricant,

I understood that becuse I have an adult level of reading comprehension

 

[meketrefe]

Just to be clear, I don't use WD 40 as a lubricant, but rather as a solvent to remove old lubricants and in that capacity it works really well.
I do use it on muzzleloader barrels in the last step of cleaning after a day of shooting. Using plain tap water to clean out fouling, I dry the barrel till I am satisfied it is indeed dry then spray the bore with WD 40, shove a patched wedge down the bore forcing the WD out the touch hole along with any moisture that was lurking in a nook or cranny, Stand the gun up, barrel down to drain excess. WD 40 will dry leaving a film and it seems to work because I have never had a problem with rust in my ML bores. Long term, I coat the bore with Rig.
Robin

About oils and lubes...

WD40 is not a lubricant. It is for cleaning, anti-seizing and water displacement and yes has certain lubrication capabilities
but in machines eventually will simply gum up and will not have the chemicals and anti-friction, detergents and anti-oxidation
additives engine oils do.
All synthetic oils on a supermarket are going to be far superior to many other choices. Interestingly the ones ending with oil on their names
AMSoil and Penzoil (made from natural gas), both synthetic, are possibly the best two oils for any sort of vehicle but OEM brands
like supertech (Walmart), Amazon Basics(Amazon ..same oil) etc.. all US made oil follow very close in terms of long service interval
performance, cold weather, anti oxidants., etc... followed by mobil1, shell(rotella), castroil, and several others that are also great oils.
For a gun doesn't even matter because there will have properties well beyond what is demanded vs. an engine
rate of cycle, temperature and amount of friction. We know the flash points, composition, resistance, etc.. so we can
tell. Machinists and smiths are also anal about their equipment and vehicles not just the guns they make.

Everything else is just a fantasy people use to justify using one method vs. the other or brand vs. another. Personal preference all the
way because it cannot be demonstrated objectively how one brand is much better for use in guns. Good maintenance and proper oil and
good storage conditions is far more important than brands. guns and damp basements do not go together.
Again WD40 is just for cleaning, specially if water needs to be displaced from internal parts. That is what it was invented for almost
70 years ago. After that we have to use a proper engine or machine oil.

For external surface rust inhibitors there are waxes and silicone based products specifically designed to enter the porous particles and
push or repel water out.

For general finishing a good general purpose wax like the one honda uses for anything from boats to helmets or chrome is great stuff.
Also don't forget to have ballistol that is like an amazing do many things well agent.

for long term storage the ticket is cosmoline but if one doesn't want to get that dirty with the barrel stuff then there are special sealing bags and one can use Military grade RP-342 spray that is possibly the best treatment for a vehicles undercarriage specially in the north where the salt is everywhere in winter.



For case lube reloading, lanoline and alcohol and a spry or canola oil and alchool and spray even better.

For machining we have to consider what the metal and job is but any zinc and sulphure rich is going to work great for the lathe,
mill and or taps. motor oil is good better than others or nothing. cutting fluid for big jobs obviously

 

[Vapor]

Wal Mart synthetic oil seemed adequate in my regular cars. Last I know in NY it came from Warren Packaging Products who also produce the Quaker State and Pennzoil lines. That could have changed.


Robin has literally said he uses WD-40 for water displacement. That's good common sense since the name is literally water displacement formulation #40...

 

[meketrefe]

Wal Mart synthetic oil seemed adequate in my regular cars. Last I know in NY it came from Warren Packaging Products who also produce the Quaker State and Pennzoil lines. That could have changed.


Robin has literally said he uses WD-40 for water displacement. That's good common sense since the name is literally water displacement formulation #40...

Yes, those Walmart and amazon, etc.. they are just top shelf synthetic oil. At the motorcycle club we actually tested the composition before and after use so we know there are above average close to Penzoil in key ingredients.
Supertech is a top of the line US made oil, the brand is just an OEM for that supermarket.
Same wegmans brand is not made by wegmans but they have very good stuff OEM.