The Agency Arms Billet Magazine Release is a direct replacement for a majority of Glock® Gen 3® and Gen 4® pistols. It features a serrated and enlarged face that is 3/64" longer than the standard magazine release
Modular Magazine Release. Co-developed with Sage Instruments, this Modular Magazine Release (MMR) provides the end user with multiple pads. The purpose of the kit was to offer end users three magazine release pad sizes in one kit.