Designed with a smaller diameter to deliver improved penetration and reduced wind drift while maintaining broadhead accuracy. A stiffer front end of the arrow repositions arrow flex to the Red Zone and reduces oscillation on the front end to make broadheads shoot more consistently. Straightness tolerance of +-.0025 and weight tolerance +-1 gr. Available in sizes 250 (.403 spine, 8.3 GPI) and 350 (.335 spine, 9.4 GPI). Includes nocks, BullDog nock collars, and inserts.