PEARCE PG39 PLUS EX GLK 26/27/33/39

Pearce Grip PG39 Magazine Extension Extended Compatible w/Glock 26/27/3339, Black Polymer
These units replace the magazine base plate and internal floor plate. They will add three rounds to the Glock 26, two rounds to the Glock 27/33 and one round to the Glock 39. They also add 1" additional length for better control and comfort.