Hawke Precision Steel Ring Mounts, Weaver, 30mm Diameter, High (Lever) 30mm ring mounting with quick release for the weaver High model Height to bottom of ring is 13mm
Hikmicro Alpex IR Bracket HM-IRB-A
Innomount Quick Release - Blaser - Pulsar Thermion
Innomount Quick Release Sauer 303/404
Hawke Precision Steel Ring Mounts Weaver 1 Inch