Pearce Grips PG-39 GLOCK Model 26/27/33/39 Plus Extension
The Pearce PG-39 replaces the magazine base plate and internal floor plate. They will add three rounds of capacity to the Glock 26, two rounds to the Glock 27 and 33 and one round to the Glock 39. These units will add 1" additional length for better control and comfort.