Nighthawk IOS Interchangeable Optic System Plate, Trijicon SRO Out of stock. Check back later... Price: $149.99 Notify me when this item is back in stock (log in required) Description Details Reviews Shipping info UPC: SI0093Manufacturer: Nighthawk CustomModel: SI0093Category: PartsOtherOptics/lights parts and adaptersStock: 0Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.