Coldstar Tactical Reflex Red Green Dot Sight Scope with Dual High/Low Profile Quick Release Detachable QD Riser Rail Mounts for Hunting Holographic Reflex Dot Sight, Red or green dual illuminated dot reticles with brightness control Durable all metal construction Allow for precision windage and elevation adjustments Build-in low profile mount for 20mm Picatinny / Weaver rails High profile mounting option with the 1" rail riser