9mm 30 Round Magazine - Sig Sauer P320 Pistol Featuring clear advanced polymer construction and an enhanced 30-round extended capacity, these ETS magazines are built for maximum durability and long-lasting performance in even the most extreme environments. Building on decades of expertise building uncompromising firearms, Sig Sauer's P320 is the latest striker-fired design, combining modular fire control unitl with a crisp, lightweight trigger and multiple grip modules to deliver one of the most versatile pistols on the market today. With superior resistance to impacts, environmental factors and harsh chemicals, ETS polymer magazines are designed to take anything you throw at them and keep feeding. With creep-resistant construction, they can be stored fully loaded for long periods of time without having to worry about warping or cracking feed lips. Made in America and sold with a lifetime warranty, ETS magazines deliver unrivaled quality and performance at a price that can’t be beat. Up your capacity with these 30-round magazines for your P320 pistol today!