Still up on their website, "See the Final Chapter" now in four days, which will put it on the 23rd.

I've heard nothing reliable from anyone.

It's just the last video in their MCX Virtus series...
https://www.sigsauer.com/produ...fles/sig-mcx-virtus/

It's being discussed in the rifle section...
https://sigforum.com/eve/forums...0601935/m/2310064724

Thanks, that's a disappointment though.