The Holosun 509 Adapter for FNX-45 is a rugged and reliable mount, perfect for use with law enforcement, the military, and the everyday shooter. CNC machined with 6061 aircraft aluminum with a Type III Hard Anodized Finish, this mount is designed to withstand even the hardest-hitting recoil as well as rough use and abuse in virtually any tactical environment.
Holosun 509 Adapter, Fits FNX-45
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509 Adapter · Black · Fits FNX-45
Availability: Only 5 left in stock
| Platform | Pistol |
|---|---|
| Compatibility | Fits FNX-45 |
| Color | Black |
- ✔ Authorized dealer — factory-new, full manufacturer warranty
- ✔ Ships from California in 1–2 business days · free shipping over $199
- ✔ 30-day returns · secure checkout
- ✔ Bulk, LE & Gov pricing available — request a quote







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