A steel optic plate that mounts an Aimpoint ACRO P-1 or P-2 or a Steiner MPS on M17/M18 and SIG P320 slides with the DeltaPoint Pro cut.
The OPF-M17, ACRO is a drop-in adapter precision machined from 4140 steel to the tight tolerances the Aimpoint ACRO footprint requires. It is a TangoDown design that Forward Controls Design offers under its own name, and it is compatible with military-issued M17 and M18 pistols.
Key features
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4140 steel — Steel rather than aluminium, chosen for reliability and durability with steel screws.
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Drop-in fit — Replaces the factory optic cover plate without modification.
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In-spec ACRO footprint — Machined to Aimpoint's ACRO specification.
Compatibility and fitment
- Compatible: military-issued and civilian M17/M18, P320 Compact, XCompact and Legion, slides with the Romeo1 Pro cut, DPP Pro cut or Pro cut, and the P320 AXG if the front of its optic cut is curved.
- Not compatible: P320 RX, Xray, R2, Spectre Comp, RXP, Max and XCarry, and the P320 AXG if the front of its optic cut is straight.
- The slide must have the groove at the front of the optic pocket. If the cut in front of the optic pocket is straight, the plate will not fit.
- Sights: guaranteed to work only with the Aimpoint ACRO P-1 and P-2 and the Steiner MPS. Other sights sold as ACRO-footprint have not been tested and are not supported.
- Steiner MPS: the recoil lug under the MPS can be slightly wider than that of the ACRO. If so, push the sight firmly onto the plate or tap it gently until it seats fully.
- The supplied T20 Torx plate-to-slide screws do not sit flush with the plate; this is normal. Allen-head screws that sit flush are also supplied for Steiner MPS users.
- When removing the factory optic cover plate, hold the loaded chamber indicator (LCI) down with a finger or a piece of tape: its spring is very small, fragile and easily damaged.
- Backup sights: for a lower co-witness, Night Fision offers suitable sights (blade height option 455-440).
Technical specifications
| Material |
4140 steel |
| Plate-to-slide torque |
20 in·lb (2.3 N·m) |
| Sight mounting screw torque — ACRO P-1/P-2 |
26 in·lb (2.9 N·m) |
| Sight mounting screw torque — Steiner MPS |
18 in·lb (2.0 N·m) |
| Country of manufacture |
USA |
In the box
- 1 × OPF-M17, ACRO plate
- 2 × plate-to-slide screws, M4-0.7 × 6 mm
- 1 × packet of Vibra-Tite VC-3 threadlocker
Model information
| Brand |
Forward Controls Design |
| Model |
OPF-M17, ACRO — M17/M18 and SIG P320 plate for Aimpoint ACRO P-1/P-2 and Steiner MPS |
| MPN |
OPF-M17, ACRO |