These units replace the magazine base plate and internal floor plate. They will add two rounds to the Glock M26 one round to the Glock 27 and 33. These units will add 5/8" additional length for better control and comfort.

***Only for magazine tubes equipped with notches on either side to allow for ambi magazine release(Gen 4&5 magazines these magazines are also included with newer Gen 3 frame pistols).

***May need modification when used on some early generation four Glock 33 magazines.

*250 round break in period required on many of the newer magazine springs to allow for easier loading of the last extra round.

Key Benefits:

• These units blend with the contours and fourth generation 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 250 F.
• They form the next logical finger positioning feature to provide control and comfort without sacrificing conceal ability.