I had the good fortune to be gifted the NOE 227-80-Sp by friend Joe Brennan. It's not the easiest mould to cast with but I've had some good results. I'd like to share this opportunity with friends here at the CBA who are working with 22cal. heavys, hoping we can all learn something.  So far I've shot this bullet out of 14,12 and 9 twists. It tumbled at 10yrds. in the 14, was marginal in the 12 and stable in the 9 (my 55gr. Bator shoots smaller groups) Want to give it a try? (Loaning Mould)  I've got quite a few on hand.  Post here and PM me for details.  First come, first, and all that.  Gp