GLOCK Model 26/27/33/39 Grip Extension - 1/4 Longer. For Glock models 26, 27, 33, and 39. NOT for Gen4 Glocks. This product adds 1/4 inch more length than the PG-26. It does not alter capacity. These units replace the base plate and retain all other factory components. They do not alter capacity. These units will add 1 additional length resulting in better control and comfort. Key Benefits: These units increase the grip length of the Sub Compact Glock AutoPistols without increasing their capacity. These units blend with the contours and texture of the handgun giving a factory appearance. They are made from High Impact Polymer and withstand drop tests at temperatures from -20 F to 350 F. They form the next logical finger positioning feature to provide control and comfort without sacrificing conceal ability. Provides identification via Mag-Track. Manufacturer: Pearce Grip. Model: Grip. Finish/Color: Black. Description: 1/4" Longer. Fit: Glock 26,27,33,39. Manufacturer Part #: PG26XL.