The ProMag AK-47 7.62x39mm 40 Round Mag is a 40-round magazine that fits most common variants of the Kalashnikov in 7.62x39mm. The magazine body is constructed of a proprietary DuPont Zytel based polymer and features an injection molded magazine follower. The magazine spring is formed from heat treated chrome silicon wire. It does not fit unconverted Saiga rifles and is made in the USA.