Description
Shooters running the FNX-45 Tactical know that finding a truly secure mounting solution for compact enclosed emitter optics can be a challenge. The Apex Optic Mount solves that problem with a dedicated steel platform, built specifically for the factory optic cut on your pistol. Priced at $60, this is a straightforward upgrade that keeps your optic locked in place without adding unnecessary bulk or complexity.
Machined from billet steel and finished with a black oxide coating, this mount provides a rigid foundation for your Aimpoint Acro P-1, Acro P-2, Steiner MPS, or Lead & Steel Pandora PB-3. Unlike aluminum plates that can flex under recoil, the steel construction maintains zero retention even during extended range sessions. The mount interfaces directly with the factory slide cut on FNX-45 Tactical models only — there is no need for additional fitting or slide modification.
Fitment notes: This mount is designed exclusively for the FNX-45 Tactical. If you are running the Steiner MPS optic, Apex recommends pairing this mount with their Super Clamp to expand the clamping range of the MPS. This ensures proper engagement and prevents any shifting during use.
What is included:
- Apex Optic Mount (steel, black oxide finish)
- Optic plate mounting screws with thread locker pre-applied
The included screws are treated with thread locker at the factory so you can install the mount immediately without digging out a bottle of Loctite. If you misplace the Apex screws, the short 5-40 threaded mounting screws that came with your FNX-45 Tactical are a direct substitute.
Compatible optics:
- Aimpoint Acro P-1
- Aimpoint Acro P-2
- Steiner MPS
- Lead & Steel Pandora PB-3
This mount keeps the optic low to the slide, helping maintain a natural sight picture and a consistent cheek weld. The steel body also adds durability without adding enough weight to affect slide cycling. For California owners, this is a direct-fit component that does not alter the firearm’s configuration in any way that would conflict with state regulations — it simply replaces the factory optic plate with a more robust steel option.
If you are looking for a reliable way to mount a red dot on your FNX-45 Tactical without dealing with plastic adapters or questionable fitment, the Apex Optic Mount delivers a steel solution at a reasonable price. All necessary hardware is included, installation is straightforward, and the mount is ready to run out of the box.
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