This Beretta magazine well insert lets the CX4 Storm carbine use PX4 pistol magazines in 9mm or .40. Sharing magazines between pistol and carbine is convenient and saves buying extra model-specific magazines. Made of polymer, it installs in the carbine's magazine well as a factory Beretta accessory.
- Brand: Beretta
- Part number: C5C620
- Fits: Beretta CX4 Storm
- Magazines: Beretta PX4 9mm / .40
- Material: polymer
