The Zev Technologies Gen 4 Magazine Release for the Glock was designed with an aggressive rearward angle and a non-slip textured face that matches the factory finish of your Gen 4 grip. This Mag release is a drop-in replacement part. FeaturesCheckered non-slip face for a more tactile engagement surfaceContact point on the mag release face is ergonomically angled to the rear to allow ease of manipulation in performing magazine changesTakes only minutes to installZEV Parts always incorporate design, feel and performanceNote Takes minutes to install with the use of needle nose pliers and a long shaft, skinny flat head screwdriver. It is easiest to remove and replace the Glock Mag Catch Spring for the magazine release installation then installing it back in its pin position after you remove the factory unit and replace it with the ZEV component. Not compatible with other Gen Glocks, only Gen 4. DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. G...