Rolling Thunder Game Calls Big Heavy Features The Rolling Thunder Game Call Big Heavy is engineered with a larger bore and a longer insert compared to standard short reed calls giving it the range and versatility needed to reach geese at a distance. Redesigned internal guts are streamlined to produce deeper more realistic tones while optimizing note sequencing for natural sounding calling sequences. This combination of features has made the Big Heavy a favorite among hunting guides season after season. The call is purpose built to work on both lesser and greater Canada geese across a variety of hunting conditions. Constructed from acrylic and finished in a Frost color option the Big Heavy offers a durable weather resistant build that holds up to repeated use in the field. Acrylic calls are prized among serious waterfowlers for their crisp consistent tone production compared to polycarbonate alternatives. The short reed design allows for a wide range of calling styles from loud locating calls to soft feeding chuckles. The Rolling Thunder Game Call Big Heavy is a dependable choice for sale at GrabAGun for hunters serious about calling in Canada geese. Rolling Thunder Game Calls Big Heavy Specifications Manufacturer: Rolling Thunder Game Call Model: Big Heavy Type: Short Reed Game Call Color: Frost Material: Acrylic Species: Canada Goose Available At: GrabAGun