ProMag 20rds 9mm Black Magazine - Durable - SIG-A22

ProMag magazines embody a perfect blend of traditional craftsmanship and modern innovation. Crafted with precision, they feature heat-treated high carbon steel stamped and welded using traditional methods, combined with advanced Mil-Spec polymer compounds through modern injection molding techniques. Each ProMag magazine is backed by a lifetime guarantee against manufacturing defects, ensuring uncompromising quality and durability. The ProMag drum magazine exemplifies this commitment to excellence, constructed from DuPont Zytel-based polymer. Its upper tower includes a full-length steel internal insert, meticulously stamped and welded to mirror the reliability and robustness of factory magazines.