Anyone with average - to small hands now can easily perform magazine changes without shifting their firing grip on the weapon. The VT GMR-003 is easy to install, and made of the same tough polymer as the Glock 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. Ambidextrous. Notes:Not for use with Gen 1, 2, & 3 pistols. Fits Glock models Gen 4 G17, 19, 22, 23, 26, 27, 31, 32, 34, 35 and 37. Also fits Gen 5 models 17 & 19. FeaturesExtended and radiused, allows magazine release without shifting firing gripInjection molded from same OEM factory part materialNot too short, not too long - easy to install DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.