Used, optic and mount, just like the picture.  These sell for $269 new.

• BDC Reticle with 2MOA Center Dot for Close to Medium Range Shooting.
• Present Crystal Clear, Distortion Free, and Edge-to Edge Image
• 3.0in / 76mm Comfortable Eye Relief, 5.5° F.O.V Wider Than Most Other Similar Prism Scopes
• 10 Levels Illumination Very Bright &Dim (Fit Night Vision), 1MOA Adjustment
• MGT Footprint Red Dot Sight Platform on the Top (Detachable Plate w/ Front Iron Sight), Featuring .223 5.56x45mm Cartridge