GC_UPC Holosun HS510C Multi-Reticle Circle Dot FDE Open Reflex Sight w/Solar Failsafe, Shake Awake, & QD Mount HS510C-FDE $309.99 HS510C-FDE-RD show more like this Free Shipping over $250 Eurooptic GC_UPC Holosun HS510C Red Dot Multi-Reticle Circle FDE Open Reflex Sight w/Solar Failsafe Shake Awake & QD Mount HS510C-FDE $309.99 HS510C-FDE-RD show more like this Free Expedited Shipping + No Tax Scopelist GC_UPC Holosun HS510C MRS Red 2 MOA Dot / 65 MOA Circle Open Reflex Sight - FDE $309.99 HS510C-FDE-RD show more like this from $4.99 GunMagWarehouse GC_UPC Holosun HS510CFDE HS510C Flat Dark Earth Anodized 1x 2/65 MOA Red Circle w/Dot Reticle Includes Battery/Lens Cloth/Mount/T10 L Key $309.99 147557 show more like this $8.99 Flat Rate or FREE over $175 AR15Discounts GC_UPC Holosun HS510C Reflex Sight 1x Selectable Reticle Quick-Release Mount Solar/Battery Powered Flat Dark Earth - 864527 $309.99 HS510C-FDE show more like this FREE SHIPPNG MidwayUSA GC_UPC Holosun HS510C Open Reflex Sight - FDE $309.99 - show more like this Free Shipping over $50 Bass Pro Shops