Sightmark Core Shot A-Spec FMS Reflex Sight Red Dot - For avid shooters, the Sightmark Core Shot A-Spec FMS Reflex Sight brings precision accuracy and reliability to high-stakes competition shooting and hunts of a lifetime. Designed to deliver better optic performance, the shooters A-Spec FMS Reflex Sight improves accuracy for recreational, professional and competitive environments. The Core Shot bridges the gap between the Mini Shot and Ultra Shot for avid shooters wanting a compact sight. Made out of aircraft-grade aluminum for a dependable compact lightweight housing and includes external battery compartment for easier access to the battery. The Core Shot Includes a riser mount to work effectively on ARs. Compact, lightweight aluminum alloy housing; Protective aluminum shield; Fixed picatinny mount; Wide lens provides quick target acquisition; Slotted windage and elevation adjustments; Red reticle illumination; Digital switch controls; 8 reticle brightness levels; Night vision compatible; 1 hour auto shutoff; Low battery indication; Scratch resistant lens coating;