California Roster Approved Shadow Systems DR920P And MR920 Review And AB1127

Published on November 2, 2025
Duration: 17:08

This review covers the California Roster approved Shadow Systems DR920P (compensated) and MR920 (compact). The DR920P features a unique compensator attachment system for California compliance and offers a flatter shooting experience. Both models share ergonomic frames, optics-ready slides, and night vision sights. The MR920 has additional slide serrations. Both pistols incorporate California-mandated features like a magazine disconnect and loaded chamber indicator, with the MR920's indicator experiencing a malfunction.

Quick Summary

The Shadow Systems DR920P and MR920 are California Roster approved handguns. The DR920P features a unique compensator attachment for compliance, while both models offer ergonomic frames, optics-ready slides, and California-mandated safety features like a magazine disconnect. AB1127 legislation significantly impacts future sales and requires design modifications for continued roster eligibility.

Chapters

  1. 00:00Introduction: DR920P & MR920 Review
  2. 01:47Transparency & Sponsorship Disclosure
  3. 02:12DR920P: Compensator & California Compliance
  4. 03:35DR920P: Barrel & Compensator Design
  5. 04:49DR920P: Serrations & Optics Cut
  6. 05:52DR920P: Sights & Frame Design
  7. 06:15Frame Ergonomics & Texture
  8. 08:00Magwell & Elite Features
  9. 08:35Trigger & California Mandates
  10. 10:09MR920: Compact Model Overview
  11. 11:04MR920: Slide Serrations & Size
  12. 11:49MR920: Reliability & Malfunctions
  13. 12:34MR920: Loaded Chamber Indicator Issue
  14. 13:18Fixing the Loaded Chamber Indicator
  15. 14:26Future of Shadow Systems in California
  16. 15:17Shadow Systems' Compliance Strategy
  17. 16:07Final Thoughts & Recommendations

Frequently Asked Questions

What makes the Shadow Systems DR920P compliant with California's firearm laws?

The DR920P is California Roster approved due to its unique compensator attachment system, which uses a cross-pin instead of a threaded barrel, and the inclusion of a magazine disconnect and loaded chamber indicator as mandated by state law.

What are the key differences between the Shadow Systems DR920P and MR920?

The DR920P is a full-size, compensated pistol similar to a Glock 17, while the MR920 is a more compact model comparable to a Glock 19. The MR920 also features additional serrations on the front top of the slide.

What is AB1127 and how does it affect firearms like the Shadow Systems pistols?

AB1127, often called the 'Glock ban,' restricts firearms using a cruciform trigger bar and a 'fun button.' This legislation impacts the sale and transfer of certain firearms in California, requiring manufacturers to make design changes to remain compliant.

Did the reviewer experience any reliability issues with the Shadow Systems DR920P or MR920?

The reviewer noted a few early stovepipe malfunctions with the DR920P. The MR920 had initial stovepipes and a failure to feed, but the main issue was a malfunctioning loaded chamber indicator that became stuck. Both pistols ran flawlessly after a break-in period.

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