For the long wait and money required to play the supressor game, my instinct wouldn’t be to buy a new model from a company who is new to building supressors.
Loop back to them in a few years. Until then, buy a known product with good CS.
Are you sure about those Ultra weights? Are those your actual weights or you stating advertised? Cause I think the ultra 9 was in the high 11oz range and the ultra 7 in the 9oz range