Does Break-free Collector work?

Today I pulled my Russian bayonet out of the safe for the first time in many months, maybe a year, and there was rust on it. Most of it was in the grooves, although some was on the "spine" of it and had pitted away. It was fairly light rust, and most of it wiped away with a cloth and a bit of elbow grease.

Still, I'm at a loss to how this happened. After running a patch soaked in Break-free Collector down a bore, I then used that patch to put a light film on the bayonet. The bottle says it should protect for up to 5 years. I don't doubt it, it's a very thick oil. How could this have happened?

rcmodel said:

My best guess?

You shot corrosive ammo in the rifle.

Then transferred the corrosive primer salts to the bayonet when you wiped it down with a dirty patch.

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I've never thought of that. That's definitely a possibility. I don't remember what gun I ran it through, but if it was a mosin, that's a definite possibility. I guess that also means that I didn't clean all the corrosive salts out. I thought I did.

monotonous_iterancy said:

some was on the "spine" of it and had pitted away. It was fairly light rust

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OilyPablo said:

I don't understand this.

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It's a cruciform bayonet, and the impressions, the "grooves", had light rust on them, but there was a section of the edge that runs down a side of the bayonet that was pitted worse.