The Glock 42 is a great backup pistol- small, light and flat. Everything you could ask fora |however, seldom does 'one size truly fit all'. For those with short fingers, Vickers Tactical has the fix for you. The GMR-005 is perfecta |not too short, not too long. Made of the same tough polymer as the Glock OE part, the magazine will not accidentally release if the weapon is placed on a hard surface. FeaturesExtended and contoured, allows easy yet positive magazine release without shifting firing gripInjection molded from same material as OEM Factory partEasy to install in minutes 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.