It all boils down to where you store the rifle - how long before you check the bore- amount of moisture in your home -- how well you cleaned the rifle & prepared it for the oil.... plus several other I won't mention right now.

If you want to risk using a product inside your bore that states nothing about preventing rustwith firearms, then be my guest. Knock yourself out.

Also, thousands of folks have lost their bluing and/or wrecked their wood stocks trying to save 20 cents on theirbore-cleaning applications. Use the proper, specialized stuff that comes very cheap to your wallet anyways - instead of taking chances on home remedies/alternate cleaning avenues for inside your bore. I personally don't care what anyone uses outside their bore.... ie... barrel exterior. That area is not difficult to maintain.

The best test to compare an oil like Rem-Oil versus WD-40 is to spray both identical padlocks in Michigan's October - place them on the front of two sheds -- open each one during a rain in December & February -- leave it unlocked & exposed to moisture for a minute or two -- then re-padlock both locks.

When mid-April comes around, unlock both locks & see for yourself which lock will show more signs of corrosions. I will bet the house right now that it won't be the Rem-Oil lock. Both the inside of that padlock & the inside of your bore are similar... ie... closed area on one side with trapped air & moisture havens.

BTW.... I no longer use Rem-Oil on my guns. I use it on my gate & truckhinges -- use it on my garage door opener tracks & stuff like that. I never had a problem with Rem-oil on guns - I just feel other oils shoot truer on first shots.

I now use Breakfree CLP for actions & Sheath for the bore. My gun exteriors (wood & barrel) get treated with a combination of shoes/tent waterproofing spray, Ballistol andEndust furniture polish... ie... 33-33-33 mix that I concocted into an emptyWindex spray bottle.It was kind of funny because after I mixed all three & shook the bottle to mix it thoroughly, I held it away with a pair of gloves on -- not knowing what I created.

Each one of these products is a specialized protective product for different intended uses. It never sees the inside of my bores where individual, isolatedprotectants are better-served to protect an area that we cannot see into on a regular basis & with regularity when storing rifles.

I'm done preaching to the choir on this thread.
See Ya on the next thread trail here.