Apex Offers Upgrades For The FN 509 Midsize MRD

This guide details the installation of the Apex 5-inch Barrel & Slide Assembly for the FN 509 Midsize MRD. The Apex assembly is a drop-on part designed for ease of installation, requiring the transfer of the factory recoil assembly. It features a matched slide mass for reliable cycling, a universal optic mounting system compatible with the FN 509 Tactical mounting standard, and includes an Apex Heavy Duty Striker. The process is presented as a straightforward upgrade for FN 509 owners seeking enhanced performance and modularity.

Quick Summary

The Apex 5-inch Barrel & Slide Assembly for the FN 509 Midsize MRD offers a drop-on installation, requiring only the transfer of the factory recoil assembly. It features a matched slide mass for reliable cycling, a universal optic mounting system compatible with FN 509 Tactical standards, and includes a pre-installed Apex Heavy Duty Striker made from stainless steel.

Chapters

  1. 00:04Apex FN 509 Upgrades Introduction
  2. 00:16Apex 5-inch Barrel and Slide Assembly
  3. 00:27Drop-on Assembly and Ready to Fire
  4. 00:40Slide Mass and Cycling
  5. 00:46Optic Mounting System
  6. 00:56Sight Compatibility and Barrel Options
  7. 01:15Apex Heavy Duty Striker

Frequently Asked Questions

What are the key features of the Apex 5-inch Barrel & Slide Assembly for the FN 509 Midsize MRD?

The Apex assembly is a drop-on part that includes a 5-inch barrel and slide, designed for easy installation by transferring the factory recoil assembly. It features a matched slide mass for reliable cycling, a universal optic mounting system compatible with FN 509 Tactical standards, and comes with a pre-installed Apex Heavy Duty Striker.

How easy is it to install the Apex slide assembly on an FN 509 Midsize MRD?

Installation is designed to be straightforward. It's a drop-on assembly, meaning you primarily need to transfer your factory recoil assembly to the new Apex slide. The slide comes fully assembled with essential components like the striker and extractor, ready for use out of the box.

Does the Apex slide assembly affect optic compatibility on the FN 509 Midsize MRD?

No, the Apex slide uses the FN 509 Tactical mounting system, which provides nearly universal compatibility for mounting most red dot optics. It also includes an optic cover plate for users who prefer not to install an optic.

What kind of striker is included with the Apex FN 509 slide upgrade?

The Apex 5-inch Barrel & Slide Assembly includes the Apex Heavy Duty Striker, which is fully machined from stainless steel. It is pre-installed in the slide and ready for immediate use upon installation.

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