Jerry Miculek on the New JM Pro Shotgun from Mossberg

Check out the super-fast Mossberg 940 JM Pro competition shotgun, built to keep up with pro shooter Jerry Miculek.
O.F. Mossberg & Sons, Inc. is a name synonymous with great shotgun platforms and it’s no surprise they keep innovating new technology.Show more

Right at the turn of the calendar, they've announced a new gun, the 940 JM Pro. In a press release, Mossberg says this new autoloading firearm spent two years in development with input from two of the world’s best shooters, Jerry Miculek and his daughter, Lena Miculek.

The gun redesigns some areas of the 940 JM series.

This new version of the shotgun has a capacity of 9+1 and features a 24-inch barrel length with a vented rib and an overall length of 45.5 inches. Mossberg fitted it with their “Accu-Choke” system, but are also including Briley extended chokes in cylinder, improved cylinder and modified. The barrel is topped with a fiber optic HIVIZ TriComp sight.

To keep this gun versatile, Mossberg made sure users could select from three different colors of optics and three different shapes. The stock and forend are also customizable to adjust drop and length of pull, which the company says is 13-14.25 inches. The stock is available in either black synthetic or their black MultiCam camouflage pattern.

Features of the new Mossberg 940 JM Pro Shotgun

Mossberg completely redesigned the new gas systems and loading port on this gun. The gas system is built to cycle 2 ¾ or 3-inch shells and uses a stepped and vented-spacer component. Mossberg says this design allows you to fire nearly 1,500 rounds between cleanings. The loading port has redesigned shell catches and an elevator.

Mossberg knows that in competition, speed is everything. In recent years, quad-loading ammo has really taken off as the most popular way to load a competition shotgun in just seconds. So, Mossberg designed the 940 for quad-loading straight out of the box, with no mods needed.

This gun also offers plenty of other options including a gold-anodized bolt handle, a bolt release button, tungsten gray-anodized receiver, magazine extension nut and more.

Both models of the 940 JM Pro have an MSRP of $1,015.

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