This is a X-GRIP known as the Mag Spacer, model BR92C.
The Beretta 92C XGRIP slides over the 15 or 17-round magazine. No tools are required. Once installed" the XGRIP provides superior grip" handling and control. For use in the 92 compact pistol.
Features:
Improved Comfort, Control, and Accuracy
Increased Capacity
Secure Fit
