Why This Mag Can’t Be Removed In California

Published on October 25, 2025
Duration: 9:12

This video explains the Comp Mag, a fixed magazine system designed to comply with California's assault weapon laws. It allows users to retain pistol grips on semi-automatic centerfire firearms by making the magazine permanently attached, requiring disassembly of the action for removal. The Comp Mag allows for loading rounds one at a time through a side latch after pulling the charging handle back.

Quick Summary

The Comp Mag is a fixed magazine system used in California to comply with laws requiring firearms with pistol grips to have non-detachable magazines. It allows for individual round loading through a side latch after the charging handle is pulled back, but offers slower reloads and potential reliability concerns compared to standard detachable magazines.

Chapters

  1. 00:00Introduction to Comp Mag and California Laws
  2. 00:27Recap of California Gun Laws: Assault Weapons Ban
  3. 01:02California's Pistol Grip and Detachable Magazine Law
  4. 01:18Featureless vs. Fixed Magazine Options
  5. 01:42What is the Comp Mag?
  6. 01:59How to Reload with the Comp Mag
  7. 02:34Pros of the Comp Mag: Pistol Grip Retention
  8. 03:05Pros of the Comp Mag: Versatility
  9. 03:31Pros of the Comp Mag: Ease of Removal for Travel
  10. 04:02Cons of the Comp Mag: Reload Speed
  11. 04:40Cons of the Comp Mag: Risk of Jams
  12. 04:55Cons of the Comp Mag: Reliability Issues
  13. 06:34Overall Thoughts on the Comp Mag
  14. 07:30Ideal Use Cases for the Comp Mag
  15. 08:47Ease of Installation and Removal

Frequently Asked Questions

What is a Comp Mag and why is it used in California?

A Comp Mag is a fixed magazine system designed to comply with California's assault weapon laws. It allows firearms with pistol grips to remain legal by making the magazine permanently attached, preventing its removal without disassembling the firearm's action.

How do you reload a firearm equipped with a Comp Mag?

Reloading a Comp Mag involves pulling the charging handle back, opening a side latch on the magazine, loading rounds one by one, closing the latch, and then releasing the charging handle to chamber a round.

What are the main advantages of using a Comp Mag?

The primary advantages of the Comp Mag are retaining a standard pistol grip, its versatility for various firearms, and its removability for travel to states without strict magazine laws, allowing for easier compliance.

What are the disadvantages of the Comp Mag?

Key disadvantages include significantly slower reload times compared to detachable magazines, a risk of internal jams if rounds are loaded too quickly, and potential reliability issues reported by some users.

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