sabotloader

You are correct, but the MMP short is .506 and not used by any contracting companies anymore and the 3P's only have 3 petals.

SuperKirby

You know, I guess now I'll have to check. I'm almost positive they're smooth. And from what I can tell they have to be the new Knight company due to the packaging. But I'm not sure about the base now. I'll double check and report back.