Search and D-Stroy with new D-Stroyer MX Hunter Arrows from Carbon Express, featuring Dual Spine Weight Forward technology that delivers a heavier front for tighter groups and better penetration. The front 2/3 of the Arrow features Carbon Express' proven BuffTuff construction for extreme durability and a quieter draw. The rear 1/3 features Diamond Weave that's proven to be stronger, stiffer and lighter, with 360 degrees spine consistency. Each set of 6 Arrows is laser-sorted and matched by spine and weight for best-in-class consistency, delivering the straight-on performance you can count on shot after shot. Front 2/3 features Carbon Express's patented BuffTuff construction, the world's toughest and quietest carbon arrow finish Rear 1/3 features Diamond Weave construction for ultimate stiffness Dual Spine Weight Forward technology delivers a heavier front for tighter groups and better penetration 2-spine arrow shaft reduces oscillation by 50% vs. single-spine arrows Q2i Rapt-X 2" vanes BullDog aircraft aluminum nock collars Launchpad precision nocks for controlled release and consistent accuracy Pack sets are sorted & matched by spine and weight Spine sorting tolerance: +/- .0025" Weight sorting tolerance: +/- 1.0 grains +/- .002 real straightness