This ^^^.
The 1301 is gas operated and there fore soft shooting. Another factor - The Length of Pull on the stock is reasonably short. Stocks which don't fit because they are too long tend to magnify the effects of felt recoil. Given Gas operation, plus proper fit and reduced recoil 12 gauge loads there is no compelling reason to choose a 20 gauge.
Add a tau development bolt release shroud, a light and possibly a red dot sight and you are in business.