This is a ProMag® Polymer 30-round magazine for Saiga® 7.62x39mm.
Built from ultra-durable DuPont® Zytel™ polymer with waffled grip texture and heat-treated chrome silicon anti-fatigue springs, ProMag’s Saiga magazines are engineered to deliver maximum reliability at a price that’s hard to beat. Combining sporter-friendly features with classic AK-47 inspired design, Saiga rifles are available in a variety of calibers and configurations—but each delivers the trademark performance and reliability that made the AK-47 a firearms legend. And these ProMag improved magazines are the perfect, combat-ready upgrade for your Saiga Sporter. ProMag magazines each come with a lifetime guarantee, ensuring you’ll receive a free replacement magazine if anything ever happens with your purchase.