The Rocky Mountain Hunting Calls 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