The Primos Big Poppa Elk Bugle is a competition-style elk calls designed to dominate in the field. Its big accurate sound reaches way out to locate and call in bulls. It comes with the Primos patented Support Shelf mouthpiece and snap-on Blue Reeds that make bugling simple.However if you want to use a diaphragm call; have no fear. We developed a flared end for the ultimate seal and comfort. If you want a bugle that amplifies to an extreme decibel level and reaches way out call on Big Poppa he'll take care of you! We love it when you call with Big Pop...PA! Large Resonator Sound Chamber amplifies to an extreme decibel level for realistic long- distance calling Mouthpiece and Support Shelf(TM) with Blue Reed Flared end for easy use with diaphragm call Diaphragm call holder for quick access Stone Grey wrap goes great with any camo Includes: Extra Blue Reed