Storm 3220 arrived this morning and it's looking good. It's long enough to keep the butt hook attached and loads of space for tools and assorted shooting paraphernalia in the lower layers of foam.
Thanks for everyone's input, really glad I asked.
ISP Airstream MK III No 15 which is a bit poorly at the moment and having a rest
AA Pro Sport + Ginb FT8 stock + Bushnell 4200 6-24x
EV2 MK1 + Leupold Comp 40x
Weihrauch HW100 KT laminate
SBFTC Competition Secretary