FN 509 Midsize MRD Lower Frame Assembly – OEM FDE Polymer Frame – BRAND NEW

FN 509 Midsize MRD Lower Frame Assembly – OEM FDE Polymer Frame – BRAND NEW

This brand-new FN 509 Midsize MRD lower frame assembly is manufactured using 100% authentic factory FN components, delivering exceptional durability, reliability, and performance. Designed specifically for FN 509 Midsize platforms, this OEM lower frame is ideal for replacements, upgrades, or custom builds.

Engineered for versatility and everyday carry, this mid-size frame features refined ergonomics, aggressive grip texturing, and modular backstrap options, providing enhanced control, comfort, and adaptability for a wide range of shooters.

Key Features:

• Genuine OEM FN Frame – Factory-original lower frame assembly.
• Mid-Size Polymer Frame – Balanced for concealability and control.
• Interchangeable Backstrap System – Customizable grip fit.
• Aggressive Grip Texture – Improves handling and recoil control.
• Ambidextrous Controls – Fully accessible for left- and right-handed shooters.
• Reversible Magazine Release – Adjustable for user preference.
• Integrated Picatinny Rail – Supports weapon lights and accessories.
• Flat Dark Earth Finish – Factory FDE color configuration.

Compatibility & Fitment:

• Designed For: FN 509 Midsize MRD
• Platform: Mid-Size
• Use Case: Concealed carry, duty, or custom build

Shipping Information:

• Fast Shipping – Ships via USPS Priority within 2 business days after payment is received.

Upgrade your FN 509 Midsize MRD with this OEM lower frame assembly for enhanced ergonomics, durability, and factory-correct performance.

Order now while inventory is available.