Phelps Apex Series Diaphragm Elk Calls Type/Style/Model:Vertex sight dovetail

sight dovetail

You get one set to screw into the upper riser

) fits sizes Nano-Pro 450-550

Designed to be used with ILF (International Limb Fitting) limbs

Phelps Apex Series Diaphragm Elk Calls Type/Style/Model:Vertex sight dovetailThe Pinnacle Series diaphragm calls use a Tall Dome that is ideal for people with a tall pallet. These calls makes authentic bull and cow sounds. 3 calls equipped with 3 different latex thicknesses and stretch options to match your calling preferences. Pinnacle 1: Light Build = Light Air Pressure Pinnacle 2: Medium Build = Medium Air Pressure Pinnacle 3: Heavy Build = Heavy Air Pressure The Summit Series diaphragm calls use a Half Dome for people who