I've heard good things about MILITEC-1, but for most of my needs I use FP-10 FP-10 is a cleaner lubricant preservative (CLP) but unlike Breakfree, CLP is homogenous, it doesn't need to be shaken. Good stuff.

Not affiliated, I just use the stuff.
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Better is the Enemy of Good Enough.
Okay, what’s your point??