Glock 19 MOS optic plates
Non-FFL parts and accessories. Real-time supplier inventory. Written for shoppers and for AI answers.
MOS is Glock’s factory optic cut. It is not a finished footprint. You add a plate that adapts MOS to the optic you own: Trijicon RMR or SRO, Holosun 407C / 507C / 508T, 407K / 507K, Aimpoint ACRO, Shield RMSc, and similar. The title must name MOS (or Glock MOS) and the optic.
The MOS plate used on a 19 MOS is the same pattern as 17, 34, and 45 MOS. It is not a plate for a non-MOS 19, and it is not a 43X / 48 MOS plate (those use a smaller K-size cut). Supplier titles say PLT or PLATE. C&H Precision, Calculated Kinetics, and Night Fision are common on this catalog.
Search Glock MOS plate or MOS PLT RMR. The plate is not the sight — best red dot for a Glock MOS.
In stock now
Live supplier inventory. Out-of-stock items are hidden.
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C&H Plate For Glock MOS To Holosun 509T · C&H Precision · $67.99 -
CK For Glock G5 MOS To SRO/RMR HD DT · Calculated Kinetics · $58.99 -
Shield Mounting Plate For Glock MOS · Shield Sights · $71.99 -
Night Fision Optic Plate EPS Fits Glock Full Size MOS · Night Fision · $54.99 -
DNZ Plate For Glock MOS Aimpoint · DNZ · $44.99 -
CK Dovetail Plate Fits Glock MOS Holosun 509T · Calculated Kinetics · $58.99 -
C&H Plate For Glock MOS To RMR/SRO/Holosun · C&H Precision · $79.99
Questions
Is a Glock 19 MOS plate the same as a 17 MOS plate?
The MOS cut on 19, 17, 34, and 45 MOS uses the same plate pattern. It is not a 43X or 48 MOS plate.
Will an MOS plate fit a non-MOS Glock 19?
No. Non-MOS slides do not have the factory MOS cut. You need an MOS slide or a different mount system.
Does one plate fit every red dot?
No. The plate must name the optic footprint: RMR/SRO, 407C/507C, 407K/507K, ACRO, RMSc, and similar. See the Glock MOS red-dot guide for which optic sits on which plate.