Full Armor Pen Build...

So, I posted something and people didn't understand. So I'll clarify.

I have maxed out mastery on every ADC in the game. And played some non conventional ones. If it has a ranged attack, I've probably used it to ADC.

My problem right now is there's a point in the game where a tank isn't able to be killed anymore, and if they are good, they weren't ever killed.

I've tried all the standard builds and tried some wacky stuff.

The wacky armor pen builds:

1. Ghostblade, Cleaver, Lord Dominiks, Mortal Reminder, Hurricane, BT
2. Cleaver, Lord Dominiks, Ghostblade, Maw, IE, Shiv
3. Cleaver, MR/LD, BotRK, Maw, IE, shiv
4. Rageblade, wits, hurricane, cleaver, MR/LD, Mallet

I KNOW:

1. These builds aren't traditional.
2. LD and MR don't stack - OK, sue me, but the other parts of them do, so I tried it out (works a lot better than you'd think.
3. I know what I'm doing on ADC's. These aren't my build path. These are games I literlly had enough gold to sell all my items, and pray these were enough to kill the two tanks that just ate my entire team.

These are builds I would suggest would be "anti" armor stackers or health stackers. If I kite them, if I force them under a tower to get me, while minions are hitting them... I think there's a chance, maybe a small chance... I should be able to kill them.

TL:DR - An ADC should be able to kill a tank... sometime... before the nexus falls... when kiting... under towers.... etc. Tanks should not be gods... like Illaoi, Darius, Mundo... etc.