NRA Gun of the Week: Mossberg 940 JM Pro

Published on May 22, 2020
Duration: 3:39

The Mossberg 940 JM Pro is a competition-focused semi-automatic shotgun co-developed with Jerry Miculek. It features a redesigned gas system for enhanced reliability, allowing up to 1,500 rounds before cleaning. Key improvements include an enlarged loading port, elevator, and shell catch for faster reloads, a 9-round capacity, and adjustable furniture for a custom fit. It comes equipped with Briley extended chokes and HIVIZ sights.

Quick Summary

The Mossberg 940 JM Pro is a competition-ready 12-gauge semi-automatic shotgun co-developed with Jerry Miculek. It features a highly reliable gas system capable of 1,500 rounds between cleanings, an enhanced loading port for faster reloads, and a 9-round capacity.

Chapters

  1. 00:13Introduction: Mossberg 940 JM Pro & Jerry Miculek
  2. 01:04Receiver and Enhanced Loading Port
  3. 01:16Redesigned Gas System and Reliability
  4. 01:35Capacity and Barrel Specifications
  5. 02:05Sights and Adjustable Furniture
  6. 02:52Oversized Controls and Aesthetics

Frequently Asked Questions

What makes the Mossberg 940 JM Pro suitable for competition shooting?

The 940 JM Pro is designed for competition with features like an enhanced loading port for faster reloads, a reliable gas system for high round counts, a 9-round capacity, and adjustable furniture for a custom fit. It was co-developed with Jerry Miculek.

How reliable is the gas system on the Mossberg 940 JM Pro?

The redesigned gas system includes a wiper and is built for enhanced reliability, allowing the shotgun to function for up to 1,500 rounds before requiring cleaning, which is crucial for competitive shooting.

What are the key upgrades on the Mossberg 940 JM Pro compared to the 930 series?

Upgrades include an enhanced loading port, elevator, and shell catch to prevent pinch points, a more reliable gas system, a 9-round capacity, and highly adjustable furniture for length of pull, drop, and cast.

What accessories come with the Mossberg 940 JM Pro?

The shotgun comes with a set of Briley Manufacturing extended choke tubes, a HIVIZ fiber-optic front sight, and adjustable spacers and shims for the stock to customize length of pull, drop, and cast.

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