MA7-001UB - Made by Arsenal Inc in the United States, the MA7-001UB follower is an additional US made part for your 922r compliance. Made to the original design, with no reverse engineering, it provides flawless functionality and works with all 7.62x39 caliber mil. spec. magazines with 5, 20, 30, or 40 round capacity. Will work in Saiga Magazines.