OK I SEEM TO GRASP THTE FACT ON A SXS YOU REGULATE FOR SPEED TILL THEY CONVERGE IN THE MIDDLE.HOW ABOUT AN OU? I AM PUTTING A SWAROVSKI 1.25X4 WITH AN ILLUMINATED CIRCLE DOT PH SCOPE.I SHOOT AND SIGHT IN THE BOTTOM BARREL AT AT 100 YDS THE GUN IS REGULATED FOR 60 METERS.WILL IT ACT LIKE A SXS BUT PRINT HIGH AN LOW TILL THEY MEET OR DO THEY GO PARALEL.SO I MOUNT THE SCOPE WILL THE HIGH BARREL HIT AT 60 0R 100.THE CALIBER I AM SHOOTING IS THE 9.3X74R NORMA ORYX BULLET.OR WILL BOTH BARRELS BE SIGHTED IN AT 100.THANKS FOR HELPING A ROOKIE................