This upper is decked out. Over $2K in parts - F1 Skeletonized Billet Upper, F1 Stainless Barrel chambered in .223 Wylde (allows you to get the best performance out of .223 Remington and 5.56), Atlas Carbon Fiber Handguard, Fail Zero Bolt, Geisselle Super Charging Handle, and Troy Tritium Back Up Iron Sights. Less than 1,000 sounds of brass case ammo through her. Hi Res Album here Possible trades would be nice pistols in 9mm or .45 ACP. Cash can go up or down depending on trade.