Primos Hunting Revolver Adjustable Grunt Game Calls. Create all the vocalizations deer make with one call. The Primos Revolver Deer Call makes deer vocalizations from a fawn bleat to a mature buck grunt by simply adjusting the center dial. The Primos Hunting Deer Game Call features a patented design that makes calling deer easier and provides versatility that has never before been available in a single call. Specifications for Primos Hunting Revolver Adjustable Grunt Game Call: Manufacturer: Primos Hunting Color: Black/Green Call Type: Grunt Features of Primos Hunting Revolver Adjustable Grunt Game Call Unique design produces all deer vocalizations from a fawn bleat to a mature buck roar Easily and quickly adjust sound using center dial Sound like multiple deer at once Patented design Package Contents: Primos Hunting Revolver Adjustable Grunt Game Call Primos Hunting 776: Revolver Adjustable Grunt Game Calls