New Extreme Challenger 800 Bow Sight Realtree AP Camo (.019) Quality. Features. Value. Delivered! Challenger Series The Challenger has made its mark as the toughest hunting sight with the most features in its category for years and this model has only gotten better. With new features such as an additional pin, a fully redesigned fixed plate and a Purple Haze light included with every sight, the Challenger unrivaled for value in its class. Features: 1-3/4" diameter housing for easy centering in peep. Individually CNC machined and hand fit parts. Pins mounted on a single vertical plane to prevent misaligned pins. Four ultra-bright, full-capture pins with extended length fiber in: (.019) Fixed plate redesigned to be tougher and lighter than ever before. Rheostat controlled Purple Haze light included.