All Steel For Full Size Rimfire & Airgun Scopes
Gracefully contoured, precision-machined, premium steel rings mount 1" scopes on airguns or .22 caliber rimfires with grooved receivers. Highly polished, bright Blue finish or Silver Safari satin finish. Fits nominal 3⁄8" dovetail. Graceful style and superior strength.
Big Book Catalog, Issue:68, Page:271
New Product Supplement, Issue:511, Page:000
Sinclair, Issue:5B, Page:204
Measurements are from the bottom of the scope tube to the bottom of the ring: Med. .400", High .793"