Hawke Precision Steel Ring Mounts, Weaver, 1 Inch Diameter, Medium (Nut) 30mm ring mounting with quick release for the weaver Medium model Height to bottom of ring is 7mm
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 30mm