C&H Precision Weapons FNX-45 Adapter Plate,Trijicon RMR, SRO & Holosun 407C, 507C, 508C, 508T, Black, FNX45-RSH

You shouldn t rely on sub-standard methods of holding them together. Instead rely on the most up-to-date adapter plates from C&H Precision. They re thinner lighter stronger and offer significantly more thread engagement than factory options.