This Quick Detach Red Dot Mount is compatible with the following optics: Aimpoint CompM5Aimpoint Micro H-1Aimpoint Micro H-2Aimpoint Micro T-1Aimpoint Micro T-2Primary Arms Micro DotMAKdot S 1×20Blaser RD 17Vortex CrossfireVortex Sparc ARHolosun Paralow 403 models (except the ‘A‘ model)Holosun Paralow 503 modelsHolosun Paralow 515 modelsHolosun Paralow 530 modelsSig Sauer Romeo4Sig Sauer Romeo5 Spuhr Aimpoint Micro Quick-Detach Absolute Co-Witness Picatinny Red Dot Mount QDM-2002