Apex Optic Mount for Holosun 509T to FN 509 Pistols

This Apex Optic Mount is designed to securely mount the Holosun 509T to the FN 509 models featuring their FN Low Profile Optics Mounting System™. The Apex Optic Mount is machined from a billet of steel and black oxide finished.

This mount contains an integrated locking key, which mounts directly to the FN 509 slide without the need for an MRD Insert

- Specifically for use the with the FN Low Profile Optics Mounting System™

- Securely mount the Holosun 509T to the FN 509 slide

- Uses the FN factory Slide Cap Screws (#515 on FN drawing)

- Mounts directly to the factory slide, no need for an MRD Insert