Certified Angus Beef Buckhead Pride Beef Loin, Top Sirloin Butt Steak is a boneless butt steak that delivers steaks that are produced from Certified Angus Beef (CAB). The boneless butt steak, center-cut (also referred as top sirloin 2/3 butt steak, center-cut) is cut from only the gluteus medius muscle & is sealed in its own vacuum packaging for freshness. The butt steak is not as tender as the filet or strip steak but has excellent flavor for an excellent value. These steaks are from the heart of the top sirloin and produced when the baseball cut butt steaks are produced.