Phelps AMP Elk Diaphragm Calls Type:AMP Green - All around call The axle-to-axle length is 30

The axle-to-axle length is 30 3/8"

lightweight

Matrix Sapphire

shorter limbs for increased speed and efficiency

Stabilizer and sight bushing included

Phelps AMP Elk Diaphragm Calls Type:AMP Green - All around call The axle-to-axle length is 30Premium 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.