A LARGE aluminum magwell for your Glock that adds the largest opening of any other magwell, a full 1.5 inch by 2.375 inch long width.
That equates to 3.56 square inches to funnel your Glock magazine into your Glock for lightning fast reloads. This mount is made exclusively by CCS Machining, Inc. in Greensburg, PA exclusively for B&B Enterprise. This magwell fits G19, G19C, G23 or G23C Glock models. Construction: Aluminum magwell with a brass insert.
No modifications needed to install on your Glock