Check the listing for details. Holosun Open Reflex Illum 2 MOA Dot & 32 MOA Circle Red Dot Sight - HS507C X2. Color: Black, Condition: New. Listed at 309.99 USD. Holosun Open Reflex Illuminated 2 MOA Dot & 32 MOA Circle Red Dot Sight - HS507C-X2 Description The HS507C-X2 Red Dot System from Holosun is a pistol-sized optic with an open frame for a great sight picture, clear glass and a rugged 7075 aluminum housing. It is powered by a CR2032 battery and Holosun’s innovative Solar Fail-safe back up. The HS507C will run up to 10 years on a single battery on setting 6, dot only.. RMR compatible: This has the RMR footprint, so it is compatible with pistols that have slides or mounts that can take the RMR. Features 2 MOA Dot; 32 MOA CircleUp to 50,000 Hours Battery Life (Setting 6)12 Brightness Settings; 10 DL & 2 NV CompatibleConvenient Tray Battery CompartmentParallax-free & Unlimited Eye Relief***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.SAT-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.