The NEW Mossberg 590RM... Best Pump Shotgun EVER?!

Published on March 27, 2025
Duration: 14:26

This review of the new Mossberg 590 RM magazine-fed pump-action shotgun highlights its tactical upgrades over the classic 590. The reviewer praises its reliability, magazine capacity, and improved ergonomics, including a better stock alignment for optics and an AK-style magazine release. Initial testing demonstrates excellent performance with standard ammunition and even surprising cycling of mini shells, though this is not officially supported.

Quick Summary

The Mossberg 590 RM is a magazine-fed pump-action shotgun that offers significant tactical upgrades over the classic 590. It features improved ergonomics, including better optic alignment and an AK-style magazine release. The shotgun demonstrated excellent reliability with various ammunition types and even cycled mini shells, though this is not officially supported.

Chapters

  1. 00:00Introduction: Mossberg 590 RM Release
  2. 00:16Introducing the Mossberg 590 RM
  3. 01:30First Shots with the 590 RM
  4. 02:40Optic: Vortex AMG UH-1 Holographic Sight
  5. 03:16Magazine Insertion and Capacity
  6. 04:04Target Engagement and Impact
  7. 05:12Sponsor: Personal Defense Network
  8. 06:22Mini Shell Compatibility Test
  9. 07:37Ammunition Variety Test (Buckshot, Slugs)
  10. 08:50Initial Impressions and Features
  11. 11:01Accuracy Test at 100 Yards
  12. 12:15Destructive Power and Close Range
  13. 12:20Eliminating Flying Targets
  14. 12:39Door Breacher Test with Watermelon
  15. 13:40Final Thoughts and Conclusion

Frequently Asked Questions

What makes the Mossberg 590 RM a significant upgrade over the classic 590?

The Mossberg 590 RM is a magazine-fed variant that offers several tactical upgrades. Key improvements include better stock alignment for optics, an AK-style magazine release, and M-LOK slots for accessories, enhancing its modern tactical appeal and user experience.

How does the Mossberg 590 RM perform with different types of ammunition?

The 590 RM demonstrates excellent reliability with standard 12-gauge loads, including buckshot and slugs. Notably, it also successfully cycled mini shells, a feature not officially advertised, showcasing its potential versatility.

What is the accuracy of the Mossberg 590 RM at longer distances?

During testing, the Mossberg 590 RM proved accurate enough to hit a steel plate at approximately 100-115 yards with a 12-gauge slug, even with an un-zeroed optic. This indicates good inherent accuracy for a shotgun at extended ranges.

What are the key ergonomic advantages of the Mossberg 590 RM?

The 590 RM features a stock that is more in-line with the barrel and receiver, allowing for easier and more natural use of optics. The AK-style magazine release is also praised for its improved accessibility compared to other Mossberg models.

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