"NEW" Mossberg 590S 12 Gauge Shotgun - TheFirearmGuy

Published on February 17, 2022
Duration: 8:05

This guide details a practical test for the Mossberg 590S 12 Gauge shotgun, focusing on its ability to reliably cycle and fire mixed ammunition types, including mini shells, without adapters. The drill emphasizes safety checks, observation of feeding and ejection, and evaluation of performance with varied loads. It's presented from the perspective of an experienced firearms instructor, highlighting practical application and potential troubleshooting for new firearm owners.

Quick Summary

The Mossberg 590S 12 Gauge shotgun stands out with its redesigned feed system, enabling it to fire 2.75-inch, 3-inch magnum, and 1.75-inch mini shells without an adapter. It boasts a 20-inch barrel, M-LOK forend, ghost ring sights, and impressive capacities ranging from 7+1 to 12+1 depending on shell length.

Chapters

  1. 00:00Introduction & Product Reveal
  2. 00:09Feed System Redesign & Ammo Versatility
  3. 00:33Features & Specifications Overview
  4. 01:04Initial Firing - Target Loads
  5. 01:30MSRP Discussion
  6. 01:55Choke and Barrel Options
  7. 02:09Alternating Ammo Capacity Test
  8. 03:08Sights and Ergonomics
  9. 03:50Slugs Firing and Malfunction
  10. 05:11Birdshot Firing and Retest Slugs
  11. 06:16Alternating Ammo Recoil Test
  12. 07:05Final Thoughts & Conclusion

Frequently Asked Questions

What makes the Mossberg 590S unique regarding ammunition?

The Mossberg 590S features a redesigned feed system that allows it to reliably chamber and fire 2.75-inch, 3-inch magnum, and 1.75-inch mini shells without needing a special adapter, increasing its versatility.

What is the capacity of the Mossberg 590S with different shell lengths?

The Mossberg 590S has a capacity of 8+1 with standard 2.75-inch shells, 7+1 with 3-inch magnum shells, and an impressive 12+1 when using 1.75-inch mini shells.

What are the key features of the Mossberg 590S?

Key features include a 20-inch barrel, a polymer M-LOK forend for accessory mounting, synthetic stock with a 0.5-inch buttpad, ghost ring rear sights, and a ramped front sight with an orange insert. It also has a screw-in choke system.

What potential issues were noted during the Mossberg 590S testing?

During testing, a couple of light primer strikes were observed with specific slug ammunition. This was tentatively attributed to 'new gun syndrome' and resolved on a second attempt, but persistent issues might require manufacturer attention.

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