Mossberg 500/590 Magpul Forend Installation: Keep your Heatshield!

Published on October 12, 2016
Duration: 7:37

This video details the installation of the Magpul MOE M-LOK Forend on Mossberg 500 and 590 series shotguns. It emphasizes compatibility checks based on action tube length and provides a crucial method for retaining the factory heatshield by crimping it to match the barrel contour. The process involves disassembly, using specialized tools for the retaining nut, and careful reassembly to ensure proper function.

Quick Summary

To install the Magpul MOE M-LOK Forend on a Mossberg 500/590 and retain the heatshield, crimp the shield in a vice to match the barrel contour. Ensure your action tube is 7 5/8" or 6 3/4" long. Use the Magpul wrench to remove the old forend nut and install the new one.

Chapters

  1. 00:00Intro & Compatibility
  2. 00:37Mossberg 500 Forend Types
  3. 02:02Magpul Forend Features
  4. 02:45Heatshield Modification
  5. 03:16Disassembly & Removal
  6. 05:06Installation & Reassembly

Frequently Asked Questions

Can I install the Magpul MOE M-LOK Forend on any Mossberg 500?

While marketed for the 590, it fits many Mossberg 500 models. Crucially, you must check your action tube length; it needs to be either 7 5/8 inches or 6 3/4 inches for compatibility.

How do I keep the factory heatshield when installing the Magpul forend?

To retain the heatshield, you must crimp it using a vice. This bends the metal closer to the barrel's contour, preventing it from interfering with the forend's pump action during operation.

What tools are needed for the Magpul forend installation?

You'll need the included Magpul forend wrench to unscrew the retaining nut. A rubber hammer might also be useful for removing the old forend if it's stuck on the action tube.

Does the Magpul forend come with different inserts?

Yes, the Magpul forend includes two different barrel inserts. These are designed to accommodate the varying barrel diameters found on the Mossberg 590/500 versus the thicker barrel of the 590A1 model.

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