SwampFox SFR-30-M: Swampfox Freedom Rings are the real deal, beefy matched pairs made of the best materials and to the highest standards. Freedom Rings are milled from 7075 aluminum and hardcoat oxidized, so your AR-15 receivers and your scope rings are made of the same stuff, with the same scratch-resistant finish. No slipping, no shifting. Freedom Rings get the job done at a price that's accessible for the every day working American. Pricing for 1 paired set.