NOTE: Army issued M17/M18 slide
different plate mounting, the OPF-P320, RMR, RSD is incompatible
with Army issued M17/M18.
OPF-P320, RMR, RSD is compatible with RMR HD and RCR. If you have an RCR, you must use the capstan screws that came with the RCR.
OPF-P320, RMR, RSD is compatible with P320 X-Five Legion, Legion Carry, and DP Cut. It is not compatible with P320 Pro Cut, P320 sub compact, X Carry, AXG, and RX.
From October of 2023, we've begun to transition T10 sight to plate screws to T15.
in 4140 steel and Melo
nite, OPF-P320, RMR, RSD is a new
member of our OPF (Optics Platform, Forward Controls) line. We again
eschew aluminum for this application, and continue to use steel as other
OPF plates, we prefer steel plates for steel screws. 4140 steel costs
more and takes longer to machine, we use it extensively on other
products. We do not deem light weight to be of particular use in this
application, but consider reliability and durability far more useful and
OPF-P320, RMR, RSD is a drop
in adapter for superb Trijicon RMR sights. The removal of the P320,
commercial version of M17/M18 sight plate cover isn't as straight forward as the Glock MOS,
please follow this link for step by step instructions: https://youtu.be/00g-Wpr8tMw
OPF-P320, RMR, RSD has an integrated dovetail for installation of the rear iron sight. The following sights are compatible:
Truglo P320 backup sights made specifically for Tangodown/FCD plates. The rear sight dovetail is made for commonly available Glock rear sights, do not use/force a SIG rear sight into the dovetail, doing so will damage the dovetail of the plate.
We will stress the importance of holding the LCI (loaded chamber
indicator) with your finger or a piece of tape while removing the plate
from the slide, the LCI spring is very small and fragile, and easily
damaged. No need to make this avoidable $5 mistake as we did.
OPF-P320, RMR, RSD is shipped with two 4-40x3/16 Allen screws (plate to slide), four T15 5-32x3/8 screws (sight to plate) and a packet of VC-3.
Plate to slide: 12 in·lb
Sight to plate: 12 in·lb
Billet machined in 4140, Melonite coated.
OPF-P320, RMR, RSD is a Forward Controls Design and Tangodown collaboration. Proudly designed and made in the USA.
OPF-P320, RMR, RSD was designed and made for Trijicon's RMR, though Holosun 507c, 508T and 509T (with the adapter plate it comes with) also work on it, we do not guarantee fit and function for these sights on OPF-P320, RMR, RSD.
Army issued M17/M18 slide
different plate mounting, the current OPF-M17/M18, ACRO is incompatible
with Army issued M17/M18, AXG, and RX, X Carry, and P320 Grayguns.
OPF-P320, RMR, RSD is compatible with SIG P320 X5 Legion, commercial M17/M18, slides with Romeo1 Pro/DPP cut.
Trijicon's new RCR and RMR HD are both compatible with OPF-P320, RMR.
We will soon stop including the L keys with all OPF products, L keys will become optional, we strongly suggest a proper torque wrench to impart the correct torque value.
WARNING: This product can expose you to chemicals
including metallic nickel, chromium and lead, which are known to the
State of California to cause cancer or other reproductive harm. For more
information go to www.P65Warnings.ca.gov.