ATTENTION, Steiner MPS users: MPS's recoil lug underneath the sight may vary in width and be slightly wider than that of the ACRO. Should this be the case, firmly push the MPS on the plate, or gently tap on the sight until the MPS fully seats.
For the new M17/M18 and SIG P320 with the Delta Point Pro cut, we're proud to offer OPF-M17 ACRO.
OPF-M17, ACRO is compatible with MIL issued M17/M18.
OPF-M17, ACRO is only guaranteed to work with Aimpoint ACRO P1 and P2, and Steiner's MPS. We have not tested it with the cheap Chicom sights under different guises from various companies that purportedly use the ACRO footprint. We neither endorse, nor support their use on OPF-M17, ACRO. For defense and duty, we also do not recommend P2 copies.
Machined in 4140 steel and black oxide coated, OPF-M17, ACRO 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 important qualities.
OPF-M17, ACRO is a drop in adapter for superb Aimpoint ACRO sights. The removal of the P320, 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
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.
OPF-M17, ACRO is identical to the Tangodown SSM-01. 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 SSM-02, and make it OPF-M17, ACRO.
OPF-M17, ACRO is precision machined from 4140 steel, and QPQ coated. Aimpoint ACRO P1/P2 requires the plates to adhere to Aimpoint ACRO TDP with tight tolerances, OPF-M17, ACRO has proven to be the best choice among professional users.
OPF-M17-ACRO is shipped with two M4 0.7mm x 6mm (torque value: 20 in·lb) and a packet of VC-3.
Proudly designed and made in the USA.
NOTE:
NOTE: OPF-M17, ACRO is compatible with MIL issued M17/M18.
Confused by the myriad of P320 models and slides? You're not alone, never have we seen so many variations for a single model. The compatibility list will continue to be updated as SIG releases yet more P320 models and slides.
Incompatible:
RX
Xray
R2
P320 Spectre Comp
P320 RXP
P320 Max
P320 XCarry
P320 AXG (if the front of the optics cut is straight)
Compatible:
Civilian M17/M18
Compact
XCompact
Legion
Romeo1 Pro Cut
DPP Pro Cut
Pro Cut
P320 AXG (if the front of the optics cut is curved)
When in doubt, be sure your slide has the groove as shown below:
As SIG continues to make changes that make sense only to SIG, but make parts made for previous models incompatible, do note that if the cut in front of the optics pocket is straight, it will not work with our plate.
NOTE:
We have switched the plate to slide screws from Allen to Torx (T20). T20 screws do not sit flush with the plate, this is normal. We also supply Allen head screws that will sit flush for MPS users.
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 chromium and metallic nickel,
which are known to the State of California to cause cancer. For more
information, go to www.P65Warnings.ca.gov.
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