IMO, this is an example of over-engineering a device which was already developed to the point of being elegant, reliable, intuitive and serviceable over 100yrs ago.
Do they expect me to get the least bit interested in a new double which has no ejectors, must be cocked by thumb and must be "regulated" by the purchaser? What a load of shit that concept is!
As to the strength of the gun, what the hell benefit is there to handling the pressure of modern high power cartridges if you would be lucky to have minute of trashcan accurracy when using them?
I say "back to the old drawing board" or better yet, "back to the old drawings"!