Vector Optics Omega Tactical 8 Reticle Reflex Red Dot Sight Designed For Real Fire Caliber&ammunition Tactical Ar15 Sight - Hunting Riflescopes - AliExpress
NcStar Tactical Reflex Red Dot Sight (Circle Crosshair with 4 MOA Dot, Circle with 4 MOA Dot, 1 MOA Dot, Crosshair with 4 MOA Dot) Silver - Guntopia