Swampfox Freedom Scope Rings are milled from 7075 aluminum and hardcoat oxidized, this is the same material as AR-15 receivers and with the same scratch resistant finish. These rings come in three different heights; Low (1.10"), High (1.60"), and Extra High (1.93"). The Low height rings are only available in 30mm diameter, while the High and Extra High are available in both 30mm and 34mm diameters. These rings are sold as a pair (2 rings).
For even more detailed information on the Swampfox Freedom Scope Rings,
check out Swampfox's product page.
These rings are also sold as a one-piece mount:
Swampfox Freedom Mount.