Warne MEG1932BLK Magazine Extension made of 6061-T6 Aluminum with Hardcoat Anodized Black Finish for Glock 19, 23 Magazines (Adds 3rds 9mm Luger, 2rds 40 S&W)

These extensions feature an ergonomic shape that allows for better insertion, and finger grooves, allowing the magazine to be stripped from the handgun if needed.