20 round magazine; Fits 7.62 x 39mm SKS rifles; Features lever release; Magazine body Constructed of ProMag's legendary high strength, carbon fiber and glass reinforced black polymer; Patented, steel lever release makes lightning fast one-handed magazine changes possible; Textured stippled surface provides maximum grip and control; Injection molded magazine follower, feed lip insert, & base plate; Magazine spring formed from heat treated chrome silicon wire; Made in USA