The Trijicon AccuPin is a breakthrough in bow sight technology, design and engineering. The heart of the innovative design lies in its triangular aiming tip and clear aiming pin. Add Trijicons acclaimed battery-free dual-illumination and the AccuPin provides the brightest pin sight on the market. Another key feature is the Trijicon AccuDial mount. Equipped with BowSync technology, this infinitely variable transmission enables exact range adjustment, synchronization for any bow/arrow combination and easy on-the-fly adjustments-without having to rely on a clumsy strip of tap Trijicon AccuPin Bow Sight BW50G-BL