Axcel Avx 31 Fiber Optic Ring Pin .019 Red With Rheostat Cover HUNTING HUNTING CLOTHING SHIRTS Additional benefits of the positive Additional benefits of the positive displacement metering technology are the elimination of flow conditioning components such as straighteners and pulsation dampers 25MOA Adjustment range per rotation 15MOA Total Elevation Adjustment 50MOA Total Windage Adjustment 50MOA Turret Style Capped Parallax Adjustment Side Focus – 10 yards to infinity Purging Material Nitrogen Length 12 The Axcel AVX 31 Fiber Optic Ring Pin and Rheostat Cover is designed to allow archers to quickly change their pin position The Rheostat cover allows archers to perfectly dial in brightness easily for all lighting conditions