This AR has a GGG Dominator Upper Receiver with front and rear flip up sights, Mounted on a Rock River Lower with Rock River lower parts kit. This rifle consists of a EOTect 552 that uses conventional AA batteries mounted on a GGG fast release that will not lose absolutely no when eliminated and reinstalled. Has a SureFire 9P tactical light upgrade to an LED Bezel, light uses 3 ea. 123 batteries. The stock is a VLTOR club foot stock with left and right storage compartments that hold 2 ea. AA batteries on one side and 3 ea. 123 batteries on the other. I change the grip with a Hogue Grip. The rifle consists of a Grip Pod, and a 3 point sling and 12 PMAGs, two still in the wrapper. This is a really trustworthy rifle. Not interested in trades. Call Dave .