Upper is a model 1 sales. Railed gas block, free floating hand guard with a swivel stud to attach your bi-pod to. Lower is a Cav Arms to save weight and for the shorter length of pull when shooting prone. Scope is a primary arms 4.6X16 50mm obj. 30mm tube with the illumated reticle and side parralax adjustment. Price is $950 as picture with the pmag (or can swap the 30 round for a 20 that works better prone). If you dont need the scope take 150 off.