The Holosun 509 Adapter for FN 509, Black is a mounting accessory that fits FN 509.
The 509PLT-FN509T adapter plate mounts Holosun 509 series and AEMS-MACRO optics to FN 509 Tactical optics-ready pistol slides, providing a secure and streamlined solution for running enclosed optics on FN’s duty-ready platform.
How It Compares
Also compare the 407/507K Adapter for FN 509, 509 Adapter for Picatinny, Low Mount and 509 Adapter for Picatinny, Lower 1/3 Mount. Browse all optics Accessories and the full Holosun range. New to this? Read our guide: Caring for Your Optics: Cleaning and Off-Season Storage.
Ideal For
- FN 509 Tactical optics-ready pistol slides
- Running a Holosun 509 series or AEMS-MACRO optic on an FN 509
- Duty-ready FN pistols getting an enclosed optic
Key Features
Key Features
- 509 & AEMS-MACRO Compatibility Allows Holosun 509 series enclosed optics and AEMS-MACRO optics to mount securely on FN 509 Tactical optics ready slides.
- FN 509 Tactical Optics Ready Interface Designed specifically for FN 509 Tactical optics ready pistol platforms for proper fit and installation.
- Precision Machined Fit CNC machined adapter plate ensures proper alignment and secure optic retention.
- Simple Installation Designed for straightforward installation on compatible FN 509 Tactical optics ready slides.
- Compatible with FN 509 Optic Cut Slides
- 6061 aircraft aluminum construction
- Corrosion-resistant anodized finish
Compatibility & Fitment
Fits FN 509. Not sure it fits? Contact us before you order and we will check for you.
Technical Specifications
Brand | Holosun |
Type | Mounting Accessory |
Model | 509 Adapter |
Color | Black |
MPN | 509PLT-FN509T |
UPC | 810047071037 |
US Shipping & Support
Genuine Holosun, brand new and covered by the manufacturer's warranty. Shipping is free on US orders of $99 or more, and smaller orders ship from $6.95. Questions about fit, mounting or which option suits your setup? Our team is glad to help before and after your purchase.
Frequently Asked Questions
What does the 509 Adapter fit?
Fits FN 509.
Is this a genuine Holosun product?
Yes. It is a new, genuine Holosun product sourced through an authorized US distributor.
How much is shipping?
Shipping is free on US orders of $99 or more. Orders under $99 ship at a flat rate from $6.95 to $9.95, depending on the order total.