VAP (Victory Armor Piercing) Micro inner diameter (.166") for maximum speed and penetration 100% high modulus carbon fiber for strength and durability Victory's spine alignment process for increased accuracy and tighter grouping Nano ceramic "ICE" coating improves penetration and allows for easy removal from targets Industry leading straightness and weight tolerances Includes VAP Shok Aluminum Insert and AAE IP Nock #4 Elite +/- 0.001" Weight: 250 (9.8 gpi), 350 (7.8 gpi), 450 (6.7 gpi)