The rifle flighted shafts just have manipulated kickpoints to them. Any Certified Rifle dealer should be able to do it for you.
I know we don't have any sponsors here so i'm just going to reccomend my clubmaker. He's really good and has excellent service/advice.
www.lowprogolf.com
Tell him Jim_0068 told you to contact them, his name is bryant. They have a toll free number.