The original FN Aimpoint ACRO mounting plate 20-100399 is specifically designed to mount Aimpoint ACRO P-1 and P-2 optics onto FN pistols equipped with the FN Low-Profile Optics Mounting System. Engineered for professional-grade durability and precision, this adapter plate provides a secure and stable optic mounting solution for tactical shooters, sport shooters and professional users.

Compatible with popular FN models including the FN 509 Tactical, FN 510 Tactical and FN 545 Tactical, this precision-machined aluminum adapter ensures excellent fitment and dependable zero retention under intensive use.

The FN adapter plate 20-100399 is optimized for the Aimpoint ACRO footprint, delivering a low-profile mounting setup while maintaining the rugged reliability expected from original FN components. Its OEM design integrates seamlessly with the slide for a clean and professional appearance.

At Gunsmoke.eu, you can order genuine FN accessories and optic mounting solutions with reliable shipping throughout Europe.

Installing this mount requires:

FN MRD Plate | 66-100148-1 (black) or 66-100148-2 (FDE)
.313" Countersunk Screw x2 | 66-100205-1 (same screws holding the stock cap on)

Also fits the FN545 and FN 510 MRD pistols
Also fiths for the Steiner MPS red-dot