Primos Tramplifier Open Reed Elk Call Short RangePrimos Tramplifier Open Reed Elk Call Short Range The Short Range Tramplifier Open Reed Elk Call from Primos Hunting; Expertly crafted with a premium acrylic barrel for natural sound production; Designed for close range calling, excels in producing soft cow and calf sounds; Ideal for the final approach in elk hunting scenarios; Open single reed design for easy use and accurate pitch control; Part of Primos Hunting's extensive line of quality game