[fred cook]

Calculated recoil vs felt recoil, quite a different animal! Today there are several rifles/shotguns on the market with recoil reducing hardware already built into them. Some are concealed inside the stock and are not noticible to the eye, while others are external designs that affect the asthetics. There is certainly no shame in building a better mousetrap (or shotgun). If one can harness physics to make for a faster follow up shot or allow for a smaller person to use a heavier caliber weapon, then all the better.