Books have been written on the subject...
tons of variables work together and many times two or more changes interact with one another to make synergistic changes "for a particular fit to a particular shooter." Those same changes can work strongly against some other fit for some other individual.
Cast is a good way to reduce felt recoil by causing the gun to move to the side a bit instead of straight back, or worse, up into the cheek.
Nothing else makes as much difference as weight in the gun. For a hunting rifle weight can be added for range work and removed for hunting. Recoil is seldom noticed when shooting at critters.
JOC often stated Americans want our shotgun stocks too short and our rifle stocks too long...
