Holosun 509 Adapter for FNX-45 — 6061 Aluminum

The Holosun 509 Adapter for FNX-45 provides a purpose-built mounting solution for Holosun 509-style red dot optics on FNX-45 pistols. CNC-machined from 6061 aircraft aluminum and finished with a Type III hard-anodized coating, it offers a durable interface for optic attachment. The adapter is designed to integrate with common duty, range, and everyday carry setups.

Key Specifications

• Fits FN FNX-45 firearms.
• Model is the 509 Adapter.
• Constructed from CNC-machined 6061 aircraft aluminum.
• Finished with a Type III hard-anodized finish for surface protection.
• Color is Black.
• Product type: Adaptor for mounting a Holosun 509 optic.
• Category: Mounting Accessories.

Engineered to provide a secure interface between Holosun 509-style optics and the FNX-45 slide, this adapter combines precise CNC machining and a durable anodized finish for reliable service. Its low-profile design preserves sight picture while delivering the stability needed for consistent optic performance in duty, range, or everyday carry applications.