Funny you posted this when you did because I worked on my bow with the same problem today. I am shooting a limb driver on an 82nd and was getting fletching contact with the 2" blazers. I raised the arrow up so the bottom of the arrow is even with the center of the holes in the riser and reset the nock. Believe it or not I did not have to reset the pins on my sight. I started close and worked my way back to 40 yards with no adjustment needed.