Now, a proper fix for the hard to use factory Gen 4 Glock magazine release! The Vickers Generation 4 Tactical Extended Release is easy to install and made of the same tough polymer as the factory part. Now anyone with average- to small-size hands can release the magazine rapidly without shifting their grip on the weapon. Fits Glock Gen 4 models 17, 19, 22, 23, 26, 27, 31 and 35. FITS GEN 4 GLOCKS ONLY! Anyone with average- to small hands now can easily perform magazine changes without shifting their firing grip on the weapon. The VT GMR-001 and GMR-002 is easy to install, and made of the same tough polymer as the GlockA(R) factory part. The extended catch is just perfecta |not too short, not too long, i.e. the magazine will not accidentally release if pistol is laid on a hard surface. Perfect with use of back strap mounted lasers. For Gen 1, 2 & 3 pistols only. Not for use with Gen 4 pistols. Fits GlockA(R) models G17, 19, 22, 23, 24, 26, 27, 31, 32, 33, 34, 35 and 37.