Recover Tactical UR20: Compatible with all 20/20 and 2021 Recover Tactical Stabilizer Braces! This model allows the end-user to mount the optic of their choice to any 20 Series Glock Stabilizer brace via Picatinny. This optics mount Increases the effectiveness of your 20/20 making target acquisition lightning fast. This UR20 optics mount is incredibly easy to install with supplied hardware. Made from glass-reinforced polymer. The perfect addition to your stabilized Glock platform!