The Phelps AMP Gray Elk Diaphragm is designed for hunters seeking to master the art of elk calling. This tool is perfect for producing sounds to attract both medium to mature cows and medium to large bulls. Whether you're stationed in a high-country aspen grove or navigating a dense forest, the Phelps AMP Gray Elk Diaphragm is a great all-around call to elevate your hunting experience. Its ability to mimic a variety of elk vocalizations makes it an ideal addition to any hunter's game call arsenal.