Witness crossbow perfection. Bloodsport's Witness arrows are designed for today's high-speed crossbows. Front-of-center design, these modern arrows fly at +400 FPS with wicked precision and deep penetration. Witness bolts come equipped with Blood Ring Certain Shot Technology that will reveal what kind of hit was made using the age-old logic of blood types, shown on the white Blood Ring panel after contact with your target has been made. Inserts and half-moon nock included.