Geissele Geissele Super Precision Scope Mount 30mm Black 30MM. The Civilian Marksmanship Program (CMP) recently changed the Service Rifle Rules to allow optic sights. When shooting from position and slung into the rifle traditional scope mounts are too high for a good cheek weld and do not allow the scope to be moved forward for correct eye relief. Specifications for Geissele Super Precision Scope Mount: Manufacturer: Geissele Height: 1.35 in Fabric/Material: 6061-T6 Aluminum Gun Make: AR Platform Color: Black Tube Diameter: 30 mm Gun Model: AR-15 Gun Type: Rifle Package Contents: Geissele Super Precision Scope Mount What firearm models does the manufacturer say Geissele Super Precision Scope Mount is compatible with? The manufacturer says that Geissele Super Precision Scope Mount is compatible with AR-15Geissele 05-494B: Geissele Super Precision Scope Mount 30mm Black 30MM