Up for sale is a really nice Shadow Systems XR 920 that comes with a Holosun HS507C x2 sight. This firearm is preowned and does not include the original box. Comes with one mag. Be sure to check out all of our inventory on Armslist. Keep Double Barrel Trading in mind for any of your firearm needs. 7401 A Fegenbush ln 40228 Call 502-500-9444