Phelps AMP Elk Diaphragm Calls lapponia Stick-on plastic arrow rest

Stick-on plastic arrow rest

Updated riser geometry for rigidity and efficiency

Personalize your bow with included colored rings in red

steep climbs

Phelps AMP Elk Diaphragm Calls lapponia Stick-on plastic arrow restPremium Single Reed Elk Mouth Calls The Phelps AMP Elk Diaphragm Call Series is designed to deliver realistic elk vocalizations with outstanding consistency, durability, and ease of use. Whether you're calling in curious cows, locating bulls, or challenging a dominant herd bull during the rut, there's an AMP call to match your hunting style. Each AMP diaphragm features a single reed design that provides excellent control and natural sound quality.