Killer Instinct’s premium Hypr Crossbow Bolt now features the new V-Track nock designed for ultimate accuracy on our narrow axle to axle crossbows. The new V-Track improves nock to string contact, reduces center serving wear and works out of all Killer Instinct Crossbow Models.

Specs:

• Straightness Tolerance - .003"
• Total Grain Weight - 390gr. w/100gr. point
• Inner Diameter - .300"