NEW – FACTORY FN 509 Full Size MRD 9mm 4.5” Optics Ready Slide Assembly
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NEW – FACTORY FN 509 Full Size MRD 9mm 4.5” Optics Ready Slide Assembly
Upgrade your FN platform with this genuine Factory OEM FN 509 Full Size MRD Complete Slide Assembly in black PVD finish, chambered for 9mm with a 4.5” cold hammer forged barrel. Built for duty use and high-performance shooting, this complete upper features FN’s advanced optics-ready system.
Key Features:
- Complete FN 509 Full Size MRD Slide Assembly – Includes fully assembled slide with barrel and recoil system.
- 4.5” CHF Barrel – Cold hammer forged for superior durability and accuracy.
- Optics Ready MRD System – FN low-profile mounting system supports multiple red dot optics.
- Multi-Plate Compatibility – Designed to fit a wide range of popular optic footprints.
- Co-Witness Iron Sights – Designed for use alongside red dot optics.
- Black PVD Finish – Durable, corrosion-resistant coating for duty use.
- Enhanced Serrations – Front and rear slide serrations for improved manipulation.
- OEM Quality – Genuine FN factory component ensuring proper fit and performance.
Specifications:
- Model: FN 509 Full Size MRD
- Caliber: 9mm
- Barrel Length: 4.5”
- Barrel Type: Cold Hammer Forged
- Optics Ready: Yes
- Optics Footprint: FN MRD Multi-Plate System
- Finish: Black PVD
- Condition: Brand New, Factory Original
Purchase & Shipping Information:
- Non-Serialized: No FFL required.
- Fast Shipping: Ships within 1 business day via USPS Priority.
- Compatibility: Designed for FN 509 Full Size MRD models only.
Enhance your setup with the Factory OEM FN 509 Full Size MRD Slide Assembly—built for duty performance, optics compatibility, and long-term reliability.
Order Now – Limited Quantity Available!
Please review the following shipping and order details before completing your purchase.
Fast Shipping: Orders ship via USPS Priority within 1 business day of payment receipt for fast and reliable delivery.
Order Accuracy: Please ensure your shipping address is entered correctly at checkout. We are not responsible for delays or delivery issues caused by incorrect or incomplete address information.
Compatibility: It is the buyer’s responsibility to verify compatibility with their specific firearm or build prior to purchase. If you are unsure, please contact us before ordering.
Installation: Installation may require fitting or adjustment. Professional gunsmith installation is recommended where applicable.
Disclaimer: By placing an order, the customer confirms that all information provided is accurate. Any costs associated with correcting shipping errors, including return shipping or applicable restocking fees, are the responsibility of the customer.




























