The Beretta CX4 Magazine Insert for PX4 is meant for easily switching between your pistol and carbine using the same magazine. Switch between a Beretta Cx4 Carbine and the Beretta Px4 Pistol.

Features of Beretta CX4 Magazine Insert for PX4: Lightweight Compatible with Cx4 carbine and Px4 pistol Can be adjusted to fit a Cx4 Storm