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