Check the listing for details. Holosun Open Reflex Illuminated 2 MOA Dot & 65 MOA Circle Red Dot Sight - HS510C. Color: Black, Condition: New. Listed at 309.99 USD. Holosun Open Reflex Illuminated 2 MOA Dot & 65 MOA Circle Red Dot Sight - HS510C DETAILS The HS510C Reflex Sight has an open frame for a wide sight picture. Always on, it is powered by solar cell under normal usage, and a back-up battery to supplement power requirements in low light conditions. The reticle can be switched between a 65 MOA circle with 2 MOA dot, or a 2 MOA dot only at the push of a button. Better yet, the same LED projects both reticles, so no re-zeroing is necessary. Features When focusing on the target, the size of the reticle will change based on the distance between your eyes and objective lensParallax free optical design, with unlimited eye reliefMinimized obstruction of vision with push button controls and a streamlined housing designSwitchable circle/dot and red dot reticlesAlways on unless manually turned offSolar cell and high capacity battery provide dual power suppliesQuick release mount ***FEDEX TWO DAY DELIVERY*** We will use FedEx 2-day delivery service to ship this item. This is a very reliable service in terms of their success of meeting delivery date... What that means is if you order: Monday by noon = Wednesday deliveryTuesday by noon = Thursday deliveryWednesday by noon = Friday deliveryThursday by noon = SOME locations support Saturday delivery. It depends on where you live. FedEx offers Saturday delivery in many, but not all cities. Otherwise, Monday delivery.Friday by noon = Tuesday deliverySAT-SUN = Wednesday delivery. **Orders of three or more units will be shipped Via USPS Priority mail, and are NOT guaranteed 2-day delivery, per the schedule above. USPS could in fact meet that delivery schedule, depending on your location, but they are not as efficient as FedEx 2-Day delivery. ***Orders of 1 unit shipping to PO boxes will be shipped with USPS First Class Mail.***Orders of 2+ units shipping to PO boxes will be shipped with USPS Priority Mail.