Glock Gen 4 Reversible Magazine Release G20/21/29/30 Black Polymer

The Glock Gen4 magazine release is a factory replacement part, made to the same specifications as the original firearm. This mag release Glock 21 Generation 4 frames. The Gen 4 magazine release can be installed for right, or left hand operation (with Gen4 magazines). This release is the stock length, and is not extended. This part is molded from black high strength polymer.