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Red Dot Sights-Footprint:
RMR
Fabric/Material:
17-4 Stainless Steel

Code: 6QG-SAP-FCNP02-OPF-G6-RMR

MPN: OPF-G6, RMR

UPC: 788362259495

List: $95.00Save $4.75
$90.25

Product Info for Forward Controls Design Trijicon RMR, RMR HD, RCR, SRO Adapter Plate

RMR sealing plate is required only for RMR, and not for RMR HD, SRO and RCR.image

OPF-G6, RMR is a heavy duty Glock Gen 6 ORS compatible plate for RMR, RMR HD, SRO and RCR. Note that OPF-G6, RMR isn't made for, nor is it guaranteed to work with other RMR footprint sights not manufactured by Trijcon. To us, the term footprint includes all dimensions and tolerances, not just the lug hole sizes and space between each other, many sight manufacturers take a rather loose interpretation. Trijicon holds impressive tolerances on its sights, other RMR footprint sights may not. Our RMR plates are made for, and guaranteed to fit Trijicon RMR, RMR HD, SRO and RCR only.

OPF-G6, RMR is compatible with Primary Arms HTX-1 (use the adapter plate in the blue bag that came with HTX-1).

An often asked question thus far is whether OPF-G6, RMR will fill the gap in front and back of the RMR on Gen 6 ORS slides. OPF-G6, RMR will fill the gap in front and rear gap. The 2020 to 2024 Gen 5 MOS RMR plates we made did use the front fence and it's functional, the latest 2024 and forward RMR footprint revision code 84 no longer uses the front fence to keep the sight immobile but has retained it for cosmetics. The rear fence on our Glock RMR plates is cosmetic and serves no real function, but both will be present on OPF-G6, RMR.

OPF-G6, RMR will require a sealing plate for RMR, we believe this is a logical and practical choice.

Forward Controls Design had both the full width support version (requires no sealing plate) and the one we chose to be the production OPF-G6, RMR prototypes (without full width support) made. The full width support version is 0.07in thicker.

To us, it doesn't make sense to impose the 0.070in height penalty on RMR HD, RCR and SRO users that neither need nor benefit from having a full width support made just for the RMR. RMR users retain the lowered install height Gen 6 ORS provides by using a sealing plate. RMR HD, RCR, and SRO don't need a sealing plate, while all the sights sit lower by not having a full width support.

Gen 6 ORS pocket has a spindle shaped cavity/depression designed to prevent the plates from rotating, shifting longitudinally and laterally. There is also a small, 45 degrees rear locking tab to keep the rear of the plate down. All OPF-G6 plates have a bottom contoured to conform and fill the spindle cavity, they also have a small pocket in the rear to make use and engage the ORS's rear locking tab. When installing OPF-G6 plates, the rear of the plate must be inserted into the rear ORS pocket at an angle, the front of the plate then can be rotated down into the pocket, the same way factory polymer inserts are installed. Glock Gen 6 ORS provides a means to secure the plate in the ORS slide, OPF-G6 plates take full advantage of the tools Glock provides.

Due to Gen 6 ORS slide tolerances, a very small gap between the rear fence and the slide may exist. Both the front and rear fences of OPF-G6, RMR are cosmetic with our RMR plate design, so is the tiny gap.

Depending on the RDS, there may be a gap between the RMR, RMR HD, SRO and RCR and the rear fence, this too, is cosmetic. If we don't factor in sight tolerances, the plate would require fitting for many of the sights, or the sight simply will not fit.

Glock Gen 6 ORS uses a polymer insert in leu of an adapter plate. OPF-G6 RMR is machined from a solid block of 17-4 stainless steel. The elasticity meant to provide upward tension from its elasticity also applies to the lugs on the insert, we don't want our lugs to give way and deform under sharp impact.

Forward Controls Design plates have never used or relied on upward tension to keep the plate-to-slide screws from loosening, we successfully use other means for the same end. With MOS, plate-to-slide screws are separate from sight-to-plate. With Gen 6 ORS, it's an insert with lugs, screws go through the RMR and DPP and directly thread into the slide. We don't want lugs to have elasticity or give, when that happens, the load is transferred to the screws, our plate is specifically designed to remove the load transfer to plate-to slide screws.

All OPF-G6 plates are milled in 17-4 stainless steel. 17-4 stainless is an option we've made available on many of our Gen 5 MOS plates for MIL and LE customers, it's standard on FCD Gen 6 ORS compatible plates. Forward Controls Design doesn't believe aluminum is a suitable material for an application that can experience up to 1800G in recoil, especially for sights like P2 and MSP that use a cross bolt. A 1.2oz RMR weighs 112.5lb in 1500G of recoil. Will 7075 hold up, and to a lesser degree, will the softer 6061 hold up? Forward Controls Design's not taking chances with aluminum.

Regarding construction, tolerances and material, our position is rather cut and dry and consistent: no compromises. Forward Controls Design is aware of the harsh conditions in which our plates have been and are expected to be used, that knowledge reinforces our choice of material. OPF-G6 tolerances are tighter than the ORS pocket and "good enough", they're designed and made for harsh demands and hard use.

WARNING: California`s Proposition 65

Specifications for Forward Controls Design Trijicon RMR, RMR HD, RCR, SRO Adapter Plate:

Manufacturer: Forward Controls Design
Red Dot Sights-Footprint: RMR
Fabric/Material: 17-4 Stainless Steel
Color: Black
Finish: Nitrided
Gun Make: Glock

Package Contents:

  • Forward Controls Design Trijicon RMR, RMR HD, RCR, SRO Adapter Plate
  • x4 Sight-to-Slide Screws (6-32 x 1/2)
  • 1x VC3 Packet (Threadlocker)

Forward Controls Design Trijicon RMR, RMR HD, RCR, SRO Adapter Plate Orderable Models

List of Orderable Models

  • Forward Controls Design Trijicon RMR, RMR HD, RCR, SRO Adapter Plate, Glock Gen 6 ORS, Black, OPF-G6, RMR , MPN: OPF-G6, RMR , UPC: 788362259495 , Code: 6QG-SAP-FCNP02-OPF-G6-RMR
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Last updated 2026-10-26 UTC.