HOLOSUN HE507COMP-GR / HS507COMP CRS 2 MOA Dot & 8/20/32 MOA Circle Reflex Pistol Sight with Large Objective Lens - Durable Shake-Awake Parallax-Free Aluminum Handgun Sight -
Red sight. As you can see I bought this brand new for close to $400. My loss is your gain.