Mossberg 500 shotgun complete strip and assemble

Published on January 20, 2018
Duration: 12:25

This guide details the complete disassembly and reassembly of a Mossberg 500 shotgun, including specific instructions for older models with a spring-loaded foregrip assembly. It covers removing the barrel, trigger group, bolt, and magazine tube, as well as replacing parts like the foregrip, magazine spring, and follower. The video emphasizes thorough cleaning and provides a step-by-step reassembly process.

Quick Summary

Disassembling a Mossberg 500 involves removing the barrel, trigger group, bolt, and elevator. Older models may require heating the receiver to remove the magazine tube and foregrip due to spring-loaded rings. Reassembly is the reverse process, ensuring the ejector aligns with the bolt slot and foregrip notches engage correctly.

Chapters

  1. 00:47Introduction & Project Overview
  2. 01:57Barrel Removal
  3. 02:24Trigger Group & Takedown Pin Removal
  4. 03:05Bolt & Elevator Removal
  5. 03:48Foregrip & Magazine Tube Removal (Older Models)
  6. 06:02Foregrip Nut & Foregrip Assembly Removal
  7. 07:09Magazine Spring Issues & Replacement Prep
  8. 08:06Installing New Foregrip
  9. 08:46Reassembly: Magazine Tube to Bolt
  10. 09:47Reassembly: Shell Stops & Trigger Group
  11. 10:24Final Reassembly & Barrel Reinstallation
  12. 10:39Mossberg 500 Overview & Reliability
  13. 11:20Parts Source & Service Review

Frequently Asked Questions

How do you remove the barrel from a Mossberg 500?

To remove the barrel on a Mossberg 500, first ensure the shotgun is unloaded. Open the slide about halfway, press the magazine release, then unscrew the barrel nut and pull the barrel straight out.

Why can't I slide the foregrip off my older Mossberg 500?

Older Mossberg 500 models, particularly from the 1970s, often have two rings and a spring around the magazine tube to reduce rattle. These prevent the foregrip from sliding off and may require heating the receiver to remove the magazine tube.

What tools are needed for a Mossberg 500 field strip?

For a basic field strip of the Mossberg 500, you'll need a rod-like object to push out the takedown pin, such as a tractor key or a rod from a knife sharpener. A screwdriver might be needed for the foregrip nut if a specialized tool isn't available.

Where can I buy Mossberg 500 replacement parts?

Numrich Gun Parts is a recommended vendor for Mossberg 500 parts like followers, springs, and foregrips. They are known for good service and competitive pricing, with parts often arriving quickly.

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