FWIW
https://thebiggamehuntingblog.com/cva-paramount/Pretty sure they would be very good out to 400 yards or so. I have been looking at them for 2 years and that would be the one to buy. I am not sure I am using the 280 grain powerbelt or just go to a sized bullet . I would use it for late season Iowa whitetails.
My son had a Paramount blow up on him last fall, if you do a search on them they have a problem with the sabot staying seated on the powder charge. Flawed design in my humble opinion.