ProMag Sig Sauer MPX 9mm 40-Round Magazine

Compatible with the Sig MPX 9mm PCC, the ProMag® Sig Sauer® MPX 9mm 40-Round Magazine is an affordable aftermarket pistol-caliber carbine magazine designed to deliver factory-like field performance at a low, budget-friendly price. Featuring a durable DuPont® Zytel™ polymer body with reinforced feed lips, this magazine offers natural corrosion resistance and unparalleled durability in a lightweight package, delivering reliable and consistent operation in virtually any shooting environment. The high-tensile chrome silicon wire spring and injection-molded DuPont Zytel polymer follower ensure smooth, jam-free operation. Backed by ProMag's legendary lifetime warranty for superior quality and lasting field service you can depend on. 40-round capacity. Made in USA.