Rocky Mountain Hunting Calls

The Bully Bull Extreme grunt tube is designed for use with diaphragm calls. - Designed by Rockie Jacobsen and Corey Jacobsen RMEF World Champion Elk Callers - Creates an even flow of air for back pressure and easier to obtain octave note changes - Use with a mouth call diaphragm - Includes camo cover and lanyard - Tube Tamer for better sound quality