Aimpoint ACRO Optic Plate for GLOCK Gen 6 by Forward Controls Design
Please note: This first batch will be small as most of the plates will be going out to our dealers. If you miss this first batch please sign up for the waiting list again and we will notify you when the next batch comes in.
For OPF-G6 backup sights compatibility, please visit this page: OPF-G6 backup sights compatibility
For OPF-G6, ACRO, sight sets with 0.385" height is minimum for ACRO P2 and provides lower 1/4 co-witness. Sight sets with 0.365" height is sufficient for Steiner's MPS.
Whereas on the Gen5 MOS, the M3 screws used for MOS plates are small and the thickness required required to accommodate the countersink of the M3 screw can be less than 0.1". Gen 5 compatible OPF-G, ACRO's top is nearly flush with the top of the slide.
This isn't the case with Gen 6 ORS Glocks. Gen 6 ORS slides have two sets of screw holes (6-32 for RMR and M4 for DPP), both screws are larger with a much longer and larger countersink area to content with, and the thickness of a base for the plate has to be thicker to accommodate it.
OPF-G6, ACRO uses COTS US made T20 M4 0.7 x 8mm plate-to-slide screws. These M4 screws are immensely strong (rated for 140,000 PSI tensile strength), quality M4 screws are plenty and easy to source, the use of COTS US made screws makes practical and logistics sense. The top of OPF-G6, ACRO dovetail sits above the slide due to the plate needing to accommodate the countersink.
The picture below illustrates how thick the plate must be to accommodate M4 screws' countersink. Deep lightening cuts/pockets can also be seen to reduce the weight.
While it's possible to lower the height by 0.02 to 0.03, it'd either involve custom fasteners (doable but limits an agency's or a deployed unit's ability to easily source them), or make the ACRO dovetail shorter and out of Aimpoint's ACRO TDP specs, which isn't an option to us at all, we've seen the predictable results of out of spec ACRO plates either move on the plate along the bore, or launch the sights towards the user's face. An out of spec ACRO footprint can also fail to seat Steiner MPS properly.
Our ACRO plates have always supported both Aimpoint P1/P2 as well as Steiner's MPS, making the ACRO footprint out of spec which results in poor sight retention in exchange for a lowered installed RDS height by 0.02 or 0.03 is a misplaced priority and terrible compromise we can't make.
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. We don't believe aluminum is a suitable material for anything that can experience up to 1800G in recoil, especially for sights like P2 and MSP that use a cross bolt. A 2.1oz P2 weighs 236lbs in 1800G, we're not taking chances with aluminum.
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 fit and fill out the spindle cavity, they also have a small relief in the rear to make use and engage the ORS pocket'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 means to secure the plate in the ORS slide, OPF-G6 plates take full advantage of the tools Glock provides.
OPF-G6, ACRO uses the entire ORS pocket to index and keep the plate from moving along the bore, laterally and rotating, as seen in the picture below. Significant lightening cuts are on the bottom of the OPF-G6, ACRO plate. The tool marks visible inside the lightening cut are not visible when the plate is installed on the slide and inconsequential, they measure in microns. We mill our plates out of solids, we do our best to avoid tool marks but some will still be visible.
Left: unfinished OPF-G6, ACRO. Right: black nitrided OPF-G6, ACRO. Black nitride brings out very fine tool marks (measured in microns on our CMM).
An Aimpoint P2 will require backup sights with a front sight of at least 0.365", a Steiner MPS will only need sights with a front sight height of 0.350" with OPF-G6, ACRO. These backup sights are already in wide use with Gen 5 MOS ACRO and RMR HD, RCR, SRO equipped weapons.
Depending on the ORS slide tolerances, a miniscule gap between 0.001" to 0.002 can appear on the front, bottom of the plate, this can exist on any and all Gen 6 plates. The gap is cosmetic and impossible to eliminate without causing some plates to sit at a slight angle on some slides. Elimination of the gap (not possible with all slides) doesn't make the plate more reliable but it will change the elevation on slides where the depth in that area is shallower.
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. We don't believe aluminum is a suitable material for anything 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? We're not taking chances with aluminum. 17-4 SS is more expensive to source and time consuming to machine, our way has always been about the best we can muster, not the cheapest.
Regarding construction and material, our position is rather cut and dry and consistent: no compromises.
Material: 17-4 stainless steel, black nitride treated.
Weight: TBD, around 1.25oz
Note the Tangodown Gen 6 AAM-02 ACRO plate has both the TD and FCD logo, it is a Tangodown design and product. OPF-G6, RMR shares the ACRO footprint dimensions and tolerances with AAM-02 (as well as all of our existing ACRO plate with the R1 (Revision 1) engraving, AAM-02 and OPF-G6, ACRO are not the same design and product.
Proudly designed and made in USA.
For Vibra-Tite VC-3 instructions and data sheet, please scan the QR code below.
DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.
GLOCK, Inc. and is one of many trademarks registered by GLOCK, Inc. and GLOCK Ges.m.b.H. Neither Forward Controls Design nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H. The use of “GLOCK” on this page is merely to advertise the sale of GLOCK pistols, parts, components or accessories.
For additional genuine GLOCK, Inc. and GLOCK Ges.m.b.H products and parts visit www.glock.com.
DISCLAIMER: This product is not manufactured, authorized, endorsed,
or warranted by GLOCK. GLOCK does not warrant or represent that
this product is compatible with GLOCK pistols.
DISCLAIMER: “GLOCK” is a federally registered trademark of
GLOCK, Inc. and is one of many trademarks registered by GLOCK, Inc.
and GLOCK Ges.m.b.H. Neither Ben Stoeger Pro Shop nor this site are
affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or
GLOCK Ges.m.b.H. The use of “GLOCK” on this page is merely to
advertise the sale of pistols, parts, components or accessories that are
compatible with GLOCK. For additional genuine GLOCK, Inc. and
GLOCK Ges.m.b.H. products and parts visit www.glock.com.
WARNING: This product can expose you to chemicals including chromium and metallic nickel, which are known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
