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MOSSBERG 0940 JM PRO 12 GAUGE SHOTGUN – 24″. The Mossberg 930 JM Pro Series features fast cycling gas system; beveled loading gate for faster reloading, Pro-Series Engraving, special corrosion resistant finishes on internal parts for smooth cycling and ease cleaning operations, adjustable overtravel and knurled charging handle.


  • Semi Auto Shotguns
  • Gauge 12
  • Capacity 9+1
  • Chamber 3″
  • Barrel Type Vent Rib
  • Barrel Length 24″
  • Sight/Base Front Fiber Optic
  • Choke Briley Ext Set
  • LOP Type Adjustable
  • LOP 14.25″
  • Barrel Finish Matte Blued
  • Stock Finish Synthetic (Black)
  • Weight 7.75oz
  • Length 44.75″
More Information
SKU 85111
Product Type Shotgun
Manufacturer Mossberg
Color Black
Barrel Length 24″
Caliber 12 Gauge

The Mossberg JM Pro is a pump-action, 3 1/2″ chamber, interchangeable choke shotgun. It features Black Armor T3 finish, red fiber optic front sight with adjustable rear sight, ghost ring rear sight and Picatinny top rails.

Mossberg’s JM Pro is a traditionally-styled, beautifully crafted shotgun with the power, precision and dependability demanded by knowledgeable hunters and shooters.

The Mossberg JM Pro shotguns are built for the ambitious waterfowler, upland hunter and lifelong shotgunner who demands a high-quality, value-packed gun that is designed to last. Outfitted with Mossberg’s legendary dependability and performance, these 12-gauge pump guns feature a 24″ barrel with an adjustable comb and recoil pad Knoxx recoil reducing stock. The JM Pro shotgun has ambidextrous top lever action operating system, blued finish with satin-finish walnut stock & forend.

Customers who like to shoot a variety of different loads know the importance of having a gun that works with their ammunition choice. Mossberg’s new JM Pro self-regulating gas operating system allows all 12 gauge shells, regardless of length or load, to operate at the same cyclic rate. The same shotgun can also be used with 3″ and 2 3/4″ shells without adjusting the gas setting, as some other guns require.

The Mossberg JM Pro Series is a world renown for its pump-action reliability, durability, modern features and unparalleled value in the sporting pump shotgun category. The JM Pro Series comes with a 3″ chamber and 24″ fully-rifled barrel for superior accuracy.

Renowned for its speed and solid dependability, the 12 gauge JM Pro is a compact, lightweight shotgun that delivers superior performance in the field. The 0940 model has a 24” vent-rib barrel and bead front sight, perfect for fast moving targets.

Mossberg® 4-round, tube magazines in a wide range of capacities to tailor the magazine to the game or put more shooting between reloads. The JM Pro shotguns feature the SuperCell recoil pad, interchangeable and adjustable synthetic ProBrite® Ghost Ring Sights, and an ambidextrous safety/receiver-mounted bolt release. Magazine included

The JM Pro Series™ has been optimized for the hard-working waterfowling purist. The high-performance, 12 gauge JM Pro Dura-Touch™ bi-polar Mossberg fiberglass/polymer synthetic stock features a lightweight, 1/4” thick rubber infused forend that reduces weight, provides improved grip and provides excellent recoil absorption. Three unique color options reflect Mossberg’s unwavering dedication to the art of this sport and its passionate followers

The Mossberg JM PRO 12 gauge pump shotgun is an all-purpose bird hunting shotgun. It features a classic receiver, a 24″ vent rib barrel with 3″ chamber and 5+1 capacity. The durable black synthetic stock and forend are equipped with a Pachmayr Decelerator recoil pad to reduce felt recoil.

The JM Pro Series shotguns are configured with 24-inch barrels and chokes for quick, more accurate shot patterns. The extra-full choke tube provides maximum damage and shot penetration at 10 yards. The vented rib barrel design reduces recoil, making it perfect for the shooter who wants to avoid bruising from those target practice sessions. The dual pillar construction offers a very stable platform with a monolithic receiver design that increases strength and rigidity. This shotgun is constructed of high density polymer components and has an ergonomic pistol grip stock that fits comfortably in your hand.

Built from the ground up for flawless performance, the PBL JM Pro Series Shotgun is the standard for value and quality. The lightweight yet durable Speedfeed synthetic stock of this shotgun provides comfort and ease of use with a wood-like finish that won’t break the bank.

Mossberg has been making the fastest cycling pump-action shotguns in the world since the 1940s. The new JM PRO Tactical is no different. Built on a platform similar to their legendary 590A1, which has won every shotgun competition and military qualification test there is, sized specifically for law enforcement, military and home defense use. These firearms are built to last.

Mossberg makes the best 12-gauge shotguns in the world. This Pro Series JM PRO is made for hunting and home defense, with an 18-inch barrel length and a ghost ring rear sight. It comes with a speed feed stock with sling swivel studs for easy carrying. The bundled kit includes all the essential shooting accessories to hit the ground running.

The JM Pro Shotguns feature a compact size, 3″ chamber and ATI’s Hunt Ready to pair with larger turkey or waterfowl loads. The 24″ barrel has a target-style bead sight and a fiber optic front sight that is adjustable for elevation. Additional features include a single-action bar system, four short choke tubes (Full, Modified, Improved Cylinder and Skeet), textured gripping surface on wood stock and forend, pistol grip only (no palm swell), recoil pad with Picatinny rail base allowing the attachment of accessories such as lights/lasers or a sling stud adapter.

The JM Pro shotguns are the no-compromise choice for the avid waterfowl hunter. These 12 gauge autoloaders feature all of the industry-leading features you’d expect from a Mossberg shotgun, with an upgraded forend that helps you keep a solid grip in wet conditions. They also feature adjustable length of pull and interchangeable recoil pads for personalized fit and comfort. And all JM Pro shotguns include extended tactical choke tubes for maximum effectiveness when firing high-velocity shells.

The JM Pro is an excellent choice for all around turkey hunting, whether you are in the early season or the late. The 24″ bore is designed for maximum range and penetration. The easy-to-use sling is adjustable to any shooter, and allows for a stable shooting platform. Included is a set of extra chokes, so that you can change your shot pattern without having to go out of your way and purchase new ones

The Mossberg Classic JM Pro line of pump-action shotguns offers hunters and shooters a machined-steel receiver, separate trigger group, strong-as-steel Tri-Compound shotgun stock and forend, and sleek matte blued finish on all metal surfaces.

The Mossberg JM Pro: fast cycling and more consistent patterns with the Mossberg Microbore™ Bore. Loaded with superior quality components, the JM Pro was built to withstand grueling practice sessions and game time action. Features include a 24-inch, fully rifled barrel with a blued finish and 3-inch chamber for enhanced accuracy, Picatinny rail for mounting optics, and a 6-position adjustable stock.

This is a great gun for an introductory visit to the hunting world. It’s ideal for upland game, waterfowl and turkey hunting. The Mossberg JM Pro shotgun is a smooth functioning semi-automatic 12 gauge shotgun with an anti-jam elevator and gas operating system. Ribbed polymer forearm allows for better grip, while the matte black metalwork provides protection against muzzle blast and corrosion.

The JM PRO Series includes a lineup of shotguns with 20, 26 and 28 inch barrels, full length top & side-saddle and an 12 gauge 3″ chamber. Features include a low profile receiver with dual tactile palm swells and checkering on the forend and pistol grip. The wide profile receiver optimizes scopes for accuracy enhancement and is comfortable to use even with the heaviest recoil loads.

While we try to stay current on all state laws, it is the responsibility of the customer to ensure that the firearm they are purchasing is legal to ship, as presented on our website, to their dealer of choice, and that the dealer is willing to accept the transfer.


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