Sig Sauer P320-M17 9mm 21-Round Extended Magazine

This is the factory OEM SIG P320-M17 21-Round extended magazine.

Crafted from durable steel with a corrosion-resistant finish, these extended magazines offer enhanced grip area and improved capacity that's perfect for home defense, target shooting, and more. A durable steel spring and high-impact polymer ensure smooth and proper feeding in high-stress target or defensive environments. The extended FDE polymer baseplate adds another layer of protection and helps improve stability and control. 

Adopted by the US Army and trusted by police departments all over the world, the P320 delivers classic Sig Sauer quality in a polymer-frame pistol at a more affordable price than traditional Sig combat pistols. Its double-action-only cousin, the P250, is another popular, budget-friendly sidearm engineered for maximum performance and reliability. 

Note from Sig Sauer: "Images may differ slightly from the actual product. Our high-quality magazines are sourced from multiple manufacturers and are then made to our exact specifications, because of this there may be slight differences in stamping and finish color."