The Tyrant CNC Extended Magazine Release, designed specifically for the Springfield Armory Echelon, is made from durable 17-4 steel through Metal Injection Molding and subjected to a strict heat treatment. This ensures it is both tough and resistant to wear. Its bead-blasted, PVD plated finish adds extra durability for long-lasting performance. It features a one-sided release with an extended surface and has been tested to remain compatible with holsters. Features : Color: Black Designed for Springfield Echelon Works with OEM and Aftermarket Holsters Fits Springfield Armory Echelon grip modules