This is a ProMag Russian Polymer 40-round detachable extended magazine for SKS rifles in 7.62 x39mm
Get extended capacity and lightweight portability with these 40-round polymer SKS magazines from ProMag! A predecessor to the legendary AK-47 and an impressive rifle in its own rite, the SKS is a rugged, affordable rifle that performs impressively even in adverse conditions. Upgrade your aging rifle with these detachable box magazines from ProMag—and bring your SKS into the 21st century. These magazines and their internal followers are made from rugged, fiberglass-reinforced Zytel polymer with chrome silicon internal springs for maximum reliability and service life. Ideal for target practice, training, or tactical applications, these 40-round magazines can help transform your SKS into a capable, modern defense weapon with serious capability.
Grab a few ProMag extended magazines for your SKS today!