First Look: Three New Shotguns From Mossberg

Including two optics-ready versions of the popular 940 JM Pro shotgun.

posted on January 4, 2024
Mossberg 940 JM Pro

Silver Reserve Eventide HS12

The new Mossberg Silver Reserve Eventide HS12 (Home Security 12 Gauge) shotgun takes the proven workings of a Mossberg International over-and-under shotgun and applies it to the thorny problem of home security. The Silver Reserve Eventide 12 gauge break-action shotgun line features synthetic stocks and fore-ends, shell extractors, chrome-lined barrels and bores and dual-locking lugs for durability and reliability. The Silver Reserve Eventide HS12 O/U is a 3-inch, 12-gauge shotgun that features a black synthetic stock with cut-checkering on the grip and fore-end, 14-inch length-of-pull, matte-blue metal finish and 18.5-inch cylinder bore barrel topped with an elevated front fiber optic sight. A Picatinny rail on top of the receiver allows you to mount your choice of optic, and an under-barrel rail lets you add a light, laser or other accessory. There is also a tang-mounted safety and barrel selector. The shotgun weighs 6.5 pounds, has a length of pull (LOP) of 14 inches, a barrel length of 18.5 inches and an overall length of 35.5 inches. MSRP for the Silver Reserve HS12 is $770.

940 JM Pro Optic Ready

Mossberg's 940 JM Pro shotgun was designed in conjunction with world-renowned champion shooter Jerry Miculek. This popular and successful shotgun is now available in two different optics-ready versions.

The 940 Pro features a gas system that may run up to 1,500 rounds before cleaning and will cycle factory-manufactured 2.75- or 3-inch ammunition that weighs one ounce or more. The internal parts, like the gas piston, magazine tube, hammer and sear, feature nickel boron-coating and extra finishing for corrosion resistance and reliable performance. The receiver has a tungsten gray or black anodized finish with the 940 JM Pro logo featured on the right side and is set up for the for direct mounting of micro-dot sights which use the Shield RMSc footprint. A cover plate is included when an optic is not in use.

The 940 JM Pro also features an oversized, beveled loading port with redesigned elevator and shell catch, specifically designed for quad-loading under the pressure of competition. It has a slim-profile, ergonomic fore-end and a user-configurable stock for length-of-pull adjustments between 13 and 14.25 inches, as well as drop and cast. There is also an oversize charging handle and paddle-style bolt release for ease of operation.

940 JM Pro Optic Ready 10-shot tungsten gray/black is a 12-gauge, 3-inch semi-automatic shotgun which features a 24-inch matte blue, vent rib barrel that is equipped with a Hiviz TriComp front fiber optic sight with interchangeable LitePipes. A set of Briley extended choke tubes (Improved Cylinder, Cylinder, and Modified) is also included. The extended magazine tube increases capacity to 9+1 rounds and the black synthetic stock and forend feature Mossberg’s aggressive signature texturing. Completing this competitive package are optic-cut receiver; drilled and tapped receiver; tungsten gray anodized receiver; anodized gold accents (bolt handle, magazine extension nut, trigger and cocking indicator) and an ambidextrous safety.

The 940 JM Pro Optic Ready 5-shot model is well-suited to areas where shotshell capacity may be limited. The 940 JM Pro 5 shot features standard four shell capacity (plus one in the chamber), but otherwise is identical to the 10 shot model. MSRP for either of these shotguns is $1240.

More information on these new shotguns and other products from Mossberg can be found at


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