That's all I well & good, I guess.
But it does not apply to any .22 RF ammo sold commercially.
Because .22 RF cases Are Not Lubricated.
At least I have never seen a lubricated .22 case in my entire life.
Only the bullets are lubricated, as they must be, to prevent severe bore leading.
They may be lubricated by wax, synthetic dry lube, heavy thick grease, or thin copper wash plating.
But it's there to lubricate the bullet in the bore, not to aid or permit case extraction.
That simply has nothing too do with anything.
Brass case contraction after pressure drops is all that allows extraction.
rc