This EOTech HWS Sight LE/Military Model 551.A65 is a holographic rifle sight. It has adjustments for elevation and windage, along with brightness and has a universal Weaver/picatiny style mount. This model has a protective hood and is compatible with Generation II, III, III+, and IV Night Vision Devices. This optic is in stock and available for immediate shipment. $449.00 + $10.00 for shipping and handling.