This is the factory Beretta® 92FS, CX4 Storm 9mm 30 Round Extended Magazine. 

This genuine Beretta 92FS magazine features a carbon steel construction, topped off with a blued-steel finish. Beretta designed it not only to provide the utmost reliability and consistency but to look good while doing it. 

An enhanced steel spring and durable polymer follower keep the magazine running smoothly while reducing the potential for malfunctions. You’ll find numbered witness holes along the back of the magazine to help you keep visual track of those 30 rounds!

Whether you want to increase your home protection capacity or save time from reloading as often at the range, these 30-round extended magazines from Beretta will do the trick. 

Why settle for a standard 15-round mag when you can have a 30-round mag?!

*92SB – 92F – 92FS – 92A1 – M9 – M9A1 – 90-Two – Billennium – Vertec – Brigadier – Centurion – Elite. It is also compatible with: CX4 with 90 series Magazine Well Insert/Magazine Release, 92FS, 92D, 92F, 92G, 92 Brigadier, 92 Elite/EliteIA/Elite II, 92G-SD, 92 Combat, 92 Combat Combo, 92 Billennium, 92 Stock, 92 Steel I, 92 Deluxe M9A1, M9, 92A1, 90-Two in 9MM, 92 Vertec (ALL), 92F, 92SB, 93R.  Will fit in 92FS Compact type L, 92 FS Compact Inox, 92SB Compact, 92 Compact Cary Type L, but will extend below the base of the grip.