(7) No FFL required. This is a new Bear Creek Arsenal BC-15 complete upper chambered in 223 Wylde. It features a 7.5" parkerized M4 4150 Chrome Moly Vanadium barrel, 1/2x28 thread pitch, M4 feedramp, pistol length gas system, 1:7 twist, 6.5" M-Lok handguard, billet receiver, and E9310 bolt. Parkerized finish. BCA Bolt carrier group, flash hider, and right-side charging (Gen 2) handle. It is compatible with any mil-spec AR-15 Lower.