Timber Creek 10/22 Extended Large Magazine Release Silver 10/22 EMR. This Extended Magazine Release is ergonomically designed so that you may change mags without manipulating the grip of your firing hand. CNC machined out of aircraft grade billet aluminum. Compatible with all variances of the 10/22 platform. Specifications for Timber Creek 10/22 Extended Large Magazine Release: Manufacturer: Timber Creek Fabric/Material: Aluminum Gun Make: Ruger Gun Model: Ruger 10/22 Color: Silver Features of Timber Creek 10/22 Extended Large Magazine Release Ruger 10/22 Package Contents: Timber Creek 10/22 Extended Large Magazine Release What firearm models does the manufacturer say Timber Creek 10/22 Extended Large Magazine Release is compatible with? The manufacturer suggests that Timber Creek 10/22 Extended Large Magazine Release is compatible with Ruger 10/22Timber Creek 10/22 EMR S: 10/22 Extended Large Magazine Release Silver