Forward Controls Design Glock MOS Plates | OPF-G | RMR, ACRO, Holosun
$60.00$68.00 Select options

Forward Controls Design Glock MOS Plates | OPF-G | RMR, ACRO, Holosun

$60.00$68.00

(6 customer reviews)
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OPF-G, RMR (Optics Platform, Glock, for RMR) is a Glock MOS Adapter Set 01 compatible plate for mounting Trijicon RMR or SRO on Glock Gen 4 and Gen 5 slides, G17, G19, G34, G35, G41 (width 25mm/1 inch.)  It is incompatible with G40 that uses Set 02.
We like the Glock MOS concept, even if we find the factory MOS adapter plates could use some help.  Standards, commonality, availability of parts are all good things.  Heretofore, users have had to send in their slides to be milled to accept mini red dot sights, or opt for 3rd party optics ready slides.  The time it takes to send in the slides to be milled, and varying quality of the milling work and optics ready slides notwithstanding, there was a lack a standard regarding the sight height, it’d be a coincidence if two slides milled by two different shops share the same sight height.   Glock’s MOS may not sit as low as some, but in our opinion, what MOS offers more than makes up for it, namely a uniform sight height, ease of installation, parts commonality and availability.
OPF-G, RMR is a collaboration with a USMC combat veteran and former USMC Shooting Team head coach, Tom Shields. We used Glock’s MOS adapter plates as a basis, and designed our version of what we think it should and can be.
OPF-G, RMR’s shape follows its functions, same as all of our products.  We outlined the following objectives:
1. Sight is to be fully supported in the front and rear by recoil lugs/fences, with minimum movement.
2. Eliminate the need to use an additional sealer plate.
3. Correct length sight to plate, and plate to slide screws.  Screws are to be Torx.
4. Adapter plate is to be machined in steel.
OPF-G, RMR accomplishes all of the goals outlined above. OPF-G, RMR’s thickness is unchanged from that of the Glock MOS plate, it doesn’t change the sight’s mounted height, nor does it require different iron sights.
As Trjicon RMR and SRO share the same mounting footprint, OPF-G, RMR is also compatible with SRO.   However, due to the precise fit of the front and rear recoil lugs/fences that are designed to closely sandwich the sight, OPF-G, RMR is incompatible with Holosun sights.  OPF-G, H will be available as a separate product.
OPF-RMR is shipped with plate to slide screws (M3-0.5mm x 6mm, same as what Glock MOS plates uses), and sight to plate screws (6/32 x 3/8), a T10 key and a VC3 packet.
Weight: 0.83oz
Plate to slide torque value: 13 to 15in/lb
Sight to plate torque value: 13in/lb
Proudly designed and made in the USA.
NOTE: this version is incompatible with G40 (10mm) that uses Glock MOS Adapter Set 02.
OPF-G,RMR supports the full width of the RMR and SRO, a sealer plate is not necessary.  If a sealer plate is used, it will reduce the thread engagement of the sight to plate screws for no gain.  Trijicon’s guide line on whether a sealer plate is required: https://www.trijicon.com/frequently-asked-questions/category/rmr-faqs

OPF-G, RMR is designed to sandwich the sight in its front and rear fence, we make the spacing as close to Trijicon’s dimensions and tolerance as we can.  Though we hold a 0.003 tolerance, Trijicon’s estimated tolerance is 0.005.  In practical terms, this means while some RMRs will move inside the fences by a very small amount, others will need to be forced into the space. 
Vibra-tite VC-3 is included with OPF-G, RMR.  Instructions can be found here: https://www.vibra-tite.com/wp-content/uploads/213_tds.pdf
Vibra-tite also provides a video on the application of VC-3: https://www.vibra-tite.com/portfolio-items/vc-3-threadmate-overview-video/
For good printable 8×11″  RMR targets (1MOA dot, 2MOA dot, 6.5MOA dot at 100 yard, 50 yard, 25 yard, and 15 yard), please follow this link: https://www.barelytactical.org/targets/
HOLOSUN COMPATIBILITY:
Trjicon RMR and SRO share the same mounting footprint, OPF-G, RMR is also compatible with SRO. However, due to the precise fit of the front and rear recoil lugs/fences that are designed to closely sandwich the sight, OPF-G, RMR is not guaranteed to work with all Holosun sights. 507C is almost a perfect fit, while 508T is a bit loose but still fits.

NOTE:
Trijicon’s tolerance between the recoil lugs to the front radiused edge of the RMR is +/- 0.005.  While every OPF-G, RMR has been tested on our RMR and SRO, there is always a chance it might not fit your RMR/SRO without fitting.  OPF-G, RMR’s design cradles the sight tightly on the plate between the plate’s front and rear fences,  some fitting may be required.  A competent gunsmith can do it easily if you’re uncomfortable with fitting the plate to your sight.
OPF-G, ACRO is identical to the Tangodown AAM-01.  Based on the success of the OPF-G, RMR, we had been asked to develop a Glock MOS compatible plate for the superb Aimpoint ACRO.  We saw and tested what our friends at Tangodown has already made, and determined AAM-01 is exactly how we would have done it and there was nothing we could have done better, there is therefore no reason to create another one just like it under our name.  We don’t like rebranding, but do make exceptions when the products in question are outstanding, and we share the same values as the companies that make them.  We’ve known Tangodown and its folks for a long time, we carry Tangodown products, and are proud to be able to put our logo on the AAM-01 and make it OPF-G, ACRO.
OPF-G, ACRO is machined in 4140 steel and Melonite coated.  For a short time, OPF-G, ACRO will have both our Cygnus logo, and Tangodown’s logo in tandem.
Proudly designed and made in the USA.
OPF-G, RMR is a collaboration with a USMC combat veteran and former USMC Shooting Team head coach, Tom Shields. We used Glock’s MOS adapter plates as a basis, and designed our version of what we think it should and can be.
OPF-G, RMR’s shape follows its functions, same as all of our products.  We outlined the following objectives:
1. Sight is to be fully supported in the front and rear by recoil lugs/fences, with minimum movement.
2. Eliminate the need to use an additional sealer plate.
3. Correct length sight to plate, and plate to slide screws.  Screws are to be Torx.
4. Adapter plate is to be machined in steel.
OPF-G, RMR accomplishes all of the goals outlined above. OPF-G, RMR’s thickness is unchanged from that of the Glock MOS plate, it doesn’t change the sight’s mounted height, nor does it require different iron sights.
OPF-RMR is shipped with plate to slide screws (M3-0.5mm x 6mm, same as what Glock MOS plates uses), and sight to plate screws (6/32 x 3/8), a T10 key and a VC3 packet.
Weight: 0.83oz
Plate to slide torque value: 13 to 15in/lb
Sight to plate torque value: 13in/lb
Proudly designed and made in the USA.
OPF-G,RMR supports the full width of the RMR and SRO, a sealer plate is not necessary.  Trijicon’s position is that if the user is unsure, use the sealer plate, and the plate is so thin, if it is used it doesn’t make any difference to the thread engagement.  Trijicon’s guide line on whether a sealer plate is required: https://www.trijicon.com/frequently-asked-questions/category/rmr-faqs

OPF-G, RMR is designed to sandwich the sight in its front and rear fence, we make the spacing as close to Trijicon’s dimensions and tolerance as we can.  Though we hold a 0.003 tolerance, Trijicon’s tolerance is 0.005.  In practical terms, this means while some RMRs will move inside the fences by a very small amount, others will need to be forced into the space. 
Vibra-tite VC-3 is included with OPF-G, RMR.  Instructions can be found here: https://www.vibra-tite.com/wp-content/uploads/213_tds.pdf
Vibra-tite also provides a video on the application of VC-3: https://www.vibra-tite.com/portfolio-items/vc-3-threadmate-overview-video/
A T10 key is provided.  A proper torque wrench in inch/lb increments is required to impart the correct torque to the plate to slide, and sight to plate screws. 
For good printable 8×11″  RMR targets (1MOA dot, 2MOA dot, 6.5MOA dot at 100 yard, 50 yard, 25 yard, and 15 yard), please follow this link: https://www.barelytactical.org/targets/
HOLOSUN COMPATIBILITY:
Trjicon RMR and SRO share the same mounting footprint, OPF-G, RMR is also compatible with SRO.   However, due to the precise fit of the front and rear recoil lugs/fences that are designed to closely sandwich the sight, OPF-G, RMR is not guaranteed to work with all Holosun sights.

Additional information

Weight 6 oz
Dimensions 3 × 2 × 1 in
Optic

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6 reviews for Forward Controls Design Glock MOS Plates | OPF-G | RMR, ACRO, Holosun

  1. Richard Jenkins (verified owner)

    This place mates up very well with my Glock 34 MOS and my Holosun 507c v2.

    I used the supplied M3-0.5mmx6mm T10 screws to attach the plate to the slide, and the Holosun supplied screws to attach the optic to the plate. The screws to attach the optic to the plate by Forward Controls are listed as 6-342 x 3/8″ T10. The T10 Holosun optic to plate screws are the exact same pitch, but slightly shorter. My belief is the screws supplied by Forward Controls are for a Trijicon Optic. The FC plate is listed as billet machined 1018 steel, black nitride coated, full width front and rear recoil lugs/fences, and full width support for RMR (no sealing plate required.) The plate came with a pre-printed set of step by step instructions and a T10 key. Each screw pair was inside a teeny bag with a pre-printed label specifying the location where to use, and the fastener size. The plate is snug, I had to lightly push the plate down onto the slide. Same for the optic to the plate. It is absolutely a perfect fit. I’m very pleased with this product.

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