Rock River Coyote Carbine, Complete Upper Receiver, 300 Blackout, 16" Barrel, Smith Vortex Flash Hider, RRA 12.5" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, Includes Bolt Carrier Group and Charging Handle Assembly BLK0592 Available to order on-line. Ships in 5-14 days $819.00