I really don't like the "so called tactical" look in airguns but the AEA checks a lot of boxes. I will deal with the look and ergonomics but I wish it came with a wood stock.
Might have to also change the buffer tube to a non adjustable version but here you go https://www.midwayusa.com/product/1021685372
... From the videos I’ve seen the challenger pro seems it would be over sprung even with the lighter spring they offer.