Beretta M9A3 Sand Resistant Magazine 9mm 17Rds Magazine Capacity: 17. Fits: 92SB - 92F - 92FS - 92A1 - M9 - M9A1 - 90-Two - Billennium - Vertec - Brigadier - Centurion - Elite, and CX4 9mm Carbine with 92 Series magazine adaptors.
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 92 FS Compact Inox Type L, 92FS Type L, 92G Type L, 92 Compact Carry Type L, 92SB Compact, but will extend below the base of the grip.
If you are purchasing this magazine for a CX4 Carbine, please ensure that your pistol has a compatible adapter.
If you are unsure, you can check it online by visiting www.berettasupport.com. Choose "Technical Data Search" on the right side of the screen. Enter your serial number. The resulting data will include whether or not your CX4 is fitted with a 92FS or PX4 adapter (i.e., Product Description: CX4 STORM (PX4) 9MM/17RD).