Hunters discussing Unit 4B in Arizona highlight its challenging yet rewarding terrain, praising the unit for its potential in yielding mature bulls. They emphasize the importance of pre-scouting due to the area's rugged features and note that understanding seasonal elk movements is crucial for success. Draw odds can be competitive, so patience and preparation are key, particularly given the fluctuating weather conditions that can impact game behavior. Overall, experienced hunters see Unit 4B as worth the effort for those willing to invest the time and energy to navigate its complexities effectively.