Mossberg 940 JM Pro Review - Factory Ready 3Gun Shotgun?

Published on March 26, 2021
Duration: 10:57

This review of the Mossberg 940 JM Pro highlights its significant improvements over the 930 model, making it a factory-ready 3-Gun shotgun. The expert assessment details enhanced reliability, improved controls, and better handling characteristics suitable for competition. Key takeaways include its effective recoil system, enlarged controls for easier manipulation, and a refined loading port design, though minor adjustments may enhance speed. The 940 JM Pro is presented as a reliable, accurate, and budget-friendly option for aspiring 3-Gun competitors.

Quick Summary

The Mossberg 940 JM Pro is a significant upgrade for 3-Gun competition, featuring an improved gas system for enhanced reliability with various ammunition types, including low-recoil slugs. It boasts enlarged controls for easier handling and a refined loading port, making it a factory-ready, accurate, and budget-friendly option compared to competitors.

Chapters

  1. 00:35Introduction to Shotguns & Mossberg's Return to 3-Gun
  2. 01:37Mossberg 940 JM Pro: Profile & Handling Overview
  3. 02:01Physical Specifications: Barrel, Capacity, Length, Weight
  4. 02:40Recoil System Improvements for Reliability
  5. 03:09Reliability and Malfunction Testing
  6. 03:53Controls and Loading Overview: Safety & Bolt Release
  7. 04:34Mossberg Autoloader Action Explained
  8. 05:03Loading Port Improvements & Potential Snags
  9. 05:25Using Safariland Shell Caddies for Quad Loading
  10. 06:50Sights and Barrel Choice for 3-Gun
  11. 07:15Fiber Optic Sights and Long-Range Accuracy
  12. 07:34Missing Mid-Bead and Alignment
  13. 07:56Slug Shooting Accuracy at 50 Yards
  14. 08:18Trigger Performance: Pull Weight and Reset
  15. 08:57Choke Tubes and Optimal Slug Performance
  16. 09:47Final Verdict: Is the 940 JM Pro a Factory 3-Gun Shotgun?

Frequently Asked Questions

What are the key improvements of the Mossberg 940 JM Pro over the 930 JM for 3-Gun competition?

The 940 JM Pro features a significantly improved gas system for better reliability with various loads, enlarged controls for easier manipulation under pressure, and a refined loading port. These enhancements make it a more factory-ready and competitive option for 3-Gun.

How does the Mossberg 940 JM Pro handle recoil and cycling of ammunition?

It utilizes a new recoil system with opened-up gas ports and a redesigned gas piston that redirects gas away from the magazine tube. This design ensures reliable cycling, even with lower-recoil slugs, addressing a common issue in previous models.

What is the recommended sight setup for the Mossberg 940 JM Pro in 3-Gun?

The shotgun comes with high-viz fiber optic sights. For long-range targets (over 100 yards), using the included triangle fiber optic pipe is recommended for improved accuracy and sight alignment.

Is the Mossberg 940 JM Pro a good value for its price point in the competition shotgun market?

Yes, the 940 JM Pro is considered a strong value proposition. It offers many features desired by 3-Gun competitors straight from the factory and is priced competitively, often being more affordable than comparable models from brands like Beretta.

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