This is a factory SIG P320 14-round magazine, chambered in .40 S&W and .357 SIG.

This will also fit SIG P250 full-size pistols.

These high-quality factory magazines feature a durable steel frame with a blued finish. A perfectly tensiled spring and polymer follower ensure reliable, jam-free, feeding.

Trusted by military, police, and civilians for decades, Sig Sauer has earned a worldwide reputation for the unquestioned accuracy and unflinching reliability of its pistols and rifles. Sig Sauer magazines provide exceptional fit and reliable feeding in their high quality firearms.