They were put on to appeal to those who thought they looked good and bought them with though it would make them better shots. It was also done to try to make the guns more atractive to the generation that hade grown up with OU's .Like all things a good sales man can make a convincing sounding pitch,lets face it a lot of shooters are a sucker for a gimmick and gunmakers trying to get sales will pander to these wants .
Some may and indeed many have called me a cynic but I have offten said that if a winner of the Olympic gold medal for shooting had a wooden leg .........