XLR drive system for easy long range adjustment. Full range of indicator marksluded for easy zeroing. Integrated sun shade with laser engraved logo installed.015 Lighting Fire fiber optic stainless steel pin. 1-3/4" advanced wire frame housing that will accept powered lenses. Tool-less and mirco drive adjustments for both windage and elevation. All parts are CNC-machined and hand fit to exact tolerances. Bushing system eliminates rattle and makes adjustments silky smooth. Black Maxx soft feel coating for vibration dampening. Accepts optional lens kit in 2x, 3x, 4x, or 6x. Right or left handed.