A Carbon Tech Whitetail XP65/80 is a .300 spine, 9.5 gr per inchand a very, very good arrow. Consistant spine and straightness across the dozen. I cut these arrows to 30" and have no wobble.

http://www.carbontecharrows.com/

http://www.lancasterarchery.com/product_info.php?cPath=38_79_65_86&products_id =1571