Seller's Comments and Description:

Elite Blowback Upper Receiver. Ghost Firearms designed these AR15 Upper Receivers with a one-piece aircraft-grade aluminum blockhoused in a 4150 chrome moly steel barrel. Each Ghost Firearms Elite Blowback 5.5in Upper Receiver comes with a 7-inch M-LOK free float rail and a properly-sized flash hider. Put together your own M-LOK system with this complete AR15. Even the barrel extension is included with this deal making it that much easier to customize your pistol. Use the Ghost Firearms Elite Blowback Upper Receiver to make a stubby little gun for when long-range target practice or plinking is required. FDE cerakote, Stern defense BCG, upgraded charging handle, multi cal lower. Upper is chambered in 9mm. Can easily swap out upper for any other ar15 upper. Mean arms makes an adapter for magpull magazines to accept 33 rounds of 9mm in a standard ar15 magazine/lower. Perfect gun for close quarters combat, cheap plinking, personal or home defense.