Pro version of the Gold Tip Ballistic bolt features a straightness tolerance of +-.001â?쳌 and weight tolerance of +-0.5 grains. Shafts weigh 8.5 GPI. Available in 22â?쳌 length only. Includes brass inserts (loose), moon nocks, and flat nocks. Factory fletched with 3.5 in. vanes. Finished weight of 431 gr. with 100 gr. point.