Beretta A400 with kick-off. The gas guns will spread the recoil out for you, better then any of the recoil run guns.
About this time last year I bought a Beretta a400 12ga w/ko and an a400 28ga. I can shoot sporting clays all day with the 12ga with no ill effects from recoil. It is also very light. The 28 was built for hours of bird hunting and is extremely light weight.
