107 Prime Rib Muscle | USDA PrimeDiscover the epitome of flavor, texture, and quality with our 107 Prime Rib Muscle, a premium cut specially curated for aficionados of dry aged beef. Sourced exclusively from select Midwestern farms, our USDA Prime certified rib muscle guarantees a gastronomic adventure with every bite. This is the whole muscle with the chine bone, blade bone, and cartilage partially removed. The short rib is also slightly trimmed. This is the IDEAL piece for dry