CVLIFE WolfCovert X S01 Multiple Reticle Red Dot 3 MOA Dot & 50 MOA Circle 28mm Lens Motion Awake for RMR with Adapter Plate for MOS & Picatinny - $83.07 w/code "INVT4YCG" 38% off code: INVT4YCG Multiple Reticle System- The red dot allows you to choose a shorter range quick sight using a 50 MOA