Check out Bill Gostomski from MD at:
http://www.gostomskisgunsmithing.com/When my Dad lost the sight in his right eye, Bill G
constructed a "crossover" stock that allowed my
Dad to shoulder his rifle righthanded and have the
scope be in front of his left eye. Dad liked it so
much he had two more stocks made, one for his
.350 rem and one for his 12 guage.