Used Holosun 509T RMR Adapter Plate for Glock MOS

Used Holosun 509T RMR Adapter Plate (no screws)

Adapter Plate for Glock 17/19 MOS Fits Holosun 407/507C/508T & Trijicon RMR/SRO

FN 509 MRD Red Dot Optic Mounting Plate Adapter – Trijicon RMR Footprint Compat

Glock 74008 MOS Adapter Plate 01 Set for 17 19 34 45 47 Gen5 9mm .40 S&W

Holosun 509 Adapter Plate for RMR / 507C Footprints

Holosun 509T RMR Adapter Plate

REAR SIGHT OPTIC MOUNT ADAPTER PLATE FOR GLOCK® TO MOUNT RED DOT OPTIC