I have two 20’s by SKB. A 280, 26”barrel quail shotgun and another that I think is a model 300 ? with 28” barrels, both with English straight grips. I shoot both of them really well...they just fit right.
I'd like to find an Ithaca SKB 20G quail special, IM/IM, 25" barrels, a buddy had one one and It's a nice shooting light SXS.