Yo, gun enthusiasts! Bear Creek Arsenal is taking us on a wild ride back to the future with their reintroduction of uppers chambered in the legendary 6.8 SPC II. This “Special Purpose Carbine” round was the original gangster of better ballistics for the AR-15, hitting the scene before the 6.5 Grendel and 6mm ARC started stealing the spotlight. Get ready to blast into the past with some serious firepower!