Holosun 509 Adapter Plate for RMR / 507C Footprints

Used Holosun 509T RMR Adapter Plate (no screws)

Holosun Technologies 509 Adapter Plate Fits HS507C Footprint - 509PLT-507C

Used Holosun 509T RMR Adapter Plate for Glock MOS

HOLOSUN 509 Adapter for HS507C Footprint (509PLT-507C)

Meprolight USA 901141031 MPO PRO-F Matte Black Aluminum fits FN 509 RMR

Holosun 509 Adapter Plate for RMR / 507C Footprints