Get on Amazon : http://www.amazon.com/gp/product/B004LPS69C?tag=lottalatte-20

Trijicon AccuPin Bow Sight Green Triangle with AccuDial Mount Right Handed (Black)

Sight aperture uses large fiber for maximum light
Clear Fiber offers easily replaceable pin even in the field
Triangle TIP Offers Precision of a zero diameter Pin Large Surface Area to Gather More Light at Low Light Conditions
Dovetail Base Slides Directly on to Trijicons Sight Bracket
Rail Grabber Base Attaches to Any Picatinny or Weaver Rail on Other Mounts :