Apex Optic Mount Overview
The Apex Optic Mount allows shooters to securely install Shield Sights RMSc or Holosun 507K optics onto FN 509 pistols. Precision-machined from billet steel and finished in Black Melonite, this mount offers long-term durability, a secure fit, and a repeatable zero with the factory slide.
Compatibility
Compatible with all FN 509 pistols equipped with the OEM Low Profile Optics Mounting System™, including Tactical, MRD, and Edge models.
Key Features
- Purpose-built for Shield Sights RMSc and Holosun 507K optics
- Direct-mount design for FN 509 pistols with factory optic cut
- Black Melonite finish for enhanced wear and corrosion resistance
- Secure interface for consistent performance under recoil
Mounting Screws
- Shield RMSc: use FN factory “514” screws
- Holosun 507K: use FN factory “511” screws
What’s Included
- 1× Apex Optic Mount for RMSc or Holosun 507K
FN 509 Accessories
Enhance your FN 509 with additional FN accessories from our collection.
Compliance
Always confirm compliance with local laws before modifying your firearm.
