NRA Gun of the Week: Mossberg 940 JM Pro

Published on May 22, 2020
Duration: 3:39

This expert guide details the Mossberg 940 JM Pro, a competition shotgun co-developed with Jerry Miculek. It highlights key features like the enhanced receiver for faster reloads, a high-reliability gas system, extended capacity, and adjustable ergonomics. The review emphasizes its suitability for high-paced action shooting sports, drawing on official NRA Gun of the Week insights.

Quick Summary

The Mossberg 940 JM Pro is a competition-focused 12-gauge shotgun co-developed with Jerry Miculek. It boasts a reliable gas system capable of 1,500 rounds between cleanings, an enhanced loading port for faster reloads, a 9+1 capacity, and adjustable ergonomics, making it ideal for action shooting sports.

Chapters

  1. 00:13Introduction & Jerry Miculek Collaboration
  2. 01:04Receiver & Loading Port Enhancements
  3. 01:16Redesigned Gas System & Reliability
  4. 01:35Capacity & Barrel Specifications
  5. 02:05Sights & Ergonomic Adjustments
  6. 02:52Oversized Controls & Aesthetics

Frequently Asked Questions

What makes the Mossberg 940 JM Pro suitable for competition?

The 940 JM Pro is competition-ready with an enhanced loading port for faster reloads, a highly reliable gas system for sustained use, a 9+1 round capacity, and adjustable ergonomics for a custom fit, all developed with input from Jerry Miculek.

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

The redesigned gas system features a wiper on the short-stroke piston, allowing the shotgun to function reliably for up to 1,500 rounds before requiring cleaning, significantly enhancing its endurance for competitive shooting.

What are the key ergonomic features of the Mossberg 940 JM Pro?

It offers adjustable length of pull from 13" to 14.25" using spacers, and shims for adjusting drop and cast. Oversized controls like the bolt release and charging handle are also included for easier manipulation.

What accessories are included with the Mossberg 940 JM Pro?

The shotgun comes with a set of Briley Manufacturing extended choke tubes and features a HIVIZ fiber-optic front sight for improved target acquisition. The receiver is drilled and tapped for optics mounting.

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