Power Calls Surge Canada Goose Call - This short-reed Canada Goose call is designed to give the caller every bit of functionality expected in a short reed, and then some. Whether its volume, range or speed the caller desires, this call delivers. This call comes with our molded broken-in Lightning guts that provide a realistic tone from top to bottom. Structure: Polycarbonate/Acrylic Blend Coloration: Stealth Black Core Guts: Polystyrene Worn-In Toneboard Reed: Mylar PreciseFit Reed Packaging: Clamshell