I have yet to find any load or gauge that compares to a .410 in recoil characteristics. You can get close, but there are trade offs everywhere. A short stocked, gas operated 20ga with a great recoil pad might work for your wife. The good thing about turkey hunting is it’s usually a one-shot deal.
Otherwise, we’re into the basics of felt recoil management:
—Weight of gun
—Fit of gun to shooter
—Shotshell load in velocity and weight
—Quality of recoil pad
—Intangibles (loud gun, sharp corners, gun geometry, etc).
Otherwise, we’re into the basics of felt recoil management:
—Weight of gun
—Fit of gun to shooter
—Shotshell load in velocity and weight
—Quality of recoil pad
—Intangibles (loud gun, sharp corners, gun geometry, etc).