This is the SIG P320 9mm 21-round extended magazine by Elite Tactical System (ETS).

It also fits SIG P250 full-size 9mm pistols.

MAG FEATURES

• Fits the Sig Sauer 9mm P320
• Extended 21-round capacity
• Base plates interchangeable with ETS line of 9mm double stack magazines.
• Due to the wide variety of extensions for Glock, our mag base is designed to be compatible with Glock extensions
• Easy disassembly with our specially designed base plate
• Ergonomically designed floor plate makes it easy to grab from mag pouches
• Lifetime Warranty

ADVANCED POLYMER BENEFITS

• Extreme Impact Resistance—won’t crack or break when dropped
• Very resistant to harsh chemicals
• Superior heat, cold and UV resistance—won’t become brittle over time even when exposed to harsh environments or extreme cold
• Translucent body—allowing you to see your ammo count and type
• Creep resistant—the feed lips and body won’t spread when being stored long term even when fully loaded