Black Gold Ascent Verdict Level Head sight ring is far easier to adjust, far more secure; level can be customized to fit into top of sight ring. Indicator needle is more precise, better protected; indexable for easy re-sighting should your set up change Splined vertical drive gear increases durability by 80% and provides a quieter, more solid feel! High performance PhotoChromatic shell - 80% tougher, changes color faster More range and adjustability than traditional hunting moveable sights