Nah it's a totally different gun. The piston is a bigger diameter, so it's built for more power. The trigger is supposedly better, but still not Rekord or CD grade as far as pull weight goes. They did manage to improve the breech lockup from the weak ball bearing type of the 124, to a more robust chisel style (like a Weihrauch).
But they kept the goofy scope rail that requires special mounts to keep the scope mounts from sliding. A regular stop pin will chew it up, just like on the old 124 or a 300S.
So basically they made it bigger, improved it ever so slightly in a couple areas, left some of the goofy points, and wanted a super premium price for it. At the original $900 price tag, it was the most expensive break barrel that I have ever seen.
And it still twanged and smoked and did all the springer "bad stuff" right out of the box.
I'm sure it's a great gun once sorted, but I just can't help but think it can't be much, if any, better than a tuned R1 or R9 for a lot less.... and the FWB is only in .177 caliber.