Primos Hunting Trophy Grunter Game Calls. This Grunter by Primos Hunting features a 6-in-1 adjustable reed assembly. The Primos Hunting 6-in-1 Trophy Grunter includes an expandable hose for variable tones and pitches. The Primos Hunting Trophy Buck Grunter is perfect for bringing in that buck no matter where or what season you hunt. Specifications for Primos Hunting Trophy Grunter Game Call: Manufacturer: Primos Hunting Fabric/Material: Acrylic/Polycarbonate Species: Whitetail Deer Features of Primos Hunting Trophy Grunter Game Call 6-in-1 Adjustable reed assembly reproduces everything from grunts to bleats Loud throaty grunts Expandable hose for variable tones and pitches Package Contents: Primos Hunting Trophy Grunter Game Call Primos Hunting 707: Trophy Grunter Game Calls