APF firearms are made in America's heartland by craftsmen passionate about firearms, the outdoors, and supporting our nation's law enforcement agencies. Whether in the field or on the range, APF builds the caliber you want and offers an array of unique finishes and accessories to bring you the perfect upper receiver for your next rifle. FeaturesAPF 9-inch MLOK handguard provide superior control and customizationThe Cerakote finish and diamond-honed nitride-coated BCG guarantee durability