Firenock D+ style lighted nock is designed to work with 500fps crossbows that have to work with clip-on style nocks. With Firenock D+ style lighted nock 3-pack, a function of the circuits, LED color, and battery to fit one's specific shooting requirement. "D+" style is to fit a crossbow arrow with an Internal Diameter of 0.300" and string serving of 0.165" OD. Please discuss ramifications with your bowshop or custom string maker. It is advised to use Aerobolt III as the projectile shaft due to the extreme pressure that is asserted by a 500 fps crossbow.
- To fit crossbow shafts with a 0.300" ID
- To fit string serving with 0.165" OD
- Available in 2 color (anodized Green and Orange)
- The J+ nock alone weight in at ~27 gn
- This package contains 3 metal nocks
- Should be used with AeroBolt III to prevent shaft splitting due to expreme pressure.