Attach your favorite Surefire to your picatinny handguard with the IWC THORNTAIL MIL620 Offset Adaptive Light Mount. This mount attaches directly to Surefire's M620's Lights and the M952, M951, M961, M962 MILLENNIUM series lights. The mount is designed with ambidextrous mounting capability. The mount is CNC machined from a single piece of 6061-T6 Billet aluminum.