Mossberg 930

The History of Mossberg

In 1919, Swedish immigrant Oscar Frederick Mossberg, aged 53, launched a journey into firearms manufacture. Alongside his sons Harold and Iver, the trio established what was originally named Mossberg & Sons, Inc., operating out of a rented loft on State Street in New Haven, Connecticut.

The company’s vision was relatively simple: to manufacture durable and reliable firearms for the working class. Their first creation was a modest 4-shot Brownie pistol in .22 caliber, paving the way for a legacy of accessible, dependable firearms.

Just a few years later, in 1922, the Mossbergs produced their first rifle, the Model K. This .22 hammerless pump repeater rifle was in fact initially designed by the famous Arthur Savage but was finalized and improved by the Mossberg team.

As the world descended into war during the 1940s, Mossberg & Sons pivoted its focus to support the war effort. Securing a government license, they began producing tolerance tooling gauges, various machine gun parts, and components of the British Lee-Enfield rifle. During this era, Mossberg also introduced the Model 42MB, a .22 training rifle for British troops. An impressive amount of 45,000 units of Mossberg Model 42MB were produced. This period not only propelled Mossberg onto the global stage but also sparked a period of significant growth for the company.

The post-war years saw Mossberg contributing to the sporadic popularity of bolt-action shotguns, as they produced an array of these firearms. However, today, the company is most renowned for its exceptional pump-action shotguns. Particularly famous is the legendary Mossberg Model 500 pump-action shotgun introduced in 1962. In 1979, the US government awarded Mossberg a contract to produce the Model 500 as a combat-duty-rated pump shotgun. This led to the Model 500 being adopted by every branch of the US Military. By 2010, 41 different variations of the Model 500 were available on the market.

The company’s influence extends beyond firearm manufacturing. Mossberg has introduced several components now commonplace in the industry. For instance, Alan Mossberg developed a safety cable lock in 1989 that now comes as standard with almost every firearm sold today.

Mossberg celebrated 100 years in 2019, and even today continues to be a family-owned and operated business.

Mossberg 930 Shotgun Review

The Mossberg 930 is a semi-automatic shotgun with a tubular magazine, defined by its gas system, which automatically loads a shell after each discharge. This function sets it apart from manual pump-action shotguns, such as the Mossberg 500 or 590.

Its receiver, like on the 500 series is drilled and tapped for optics mounting purposes, so the same mounts will fit on both models. The barrel is factory-ported and a cocking indicator is situated at the trigger guard's front. The shotgun also features a tang safety that is easily reachable with the thumbs of both hands. For sling attachment, studs come pre-installed. The stocks have an in-built spring to help reduce the recoil.

The 930 model is available in 5-shot and 8-shot versions, both operating on a dual gas-vent system and chambering 12-gauge shells. A release button allows for quick magazine unloading. Mossberg offers magazine extensions for those needing a higher capacity.

Several variants are available within the 930 series, which have different designs, with the differences being predominant in barrels and stocks. Security versions come equipped with LPA Ghost Ring sights, a top Picatinny rail, and a full-length pistol grip stock. The Slugster model has a Monte Carlo stock and a fully rifled bore with a cantilever scope mount. All versions come with a rubber recoil pad at the end of the stock.

Mossberg 930, chambered for 12 ga

Figure 1: Mossberg 930, chambered for 12 ga (Source: https://adelbridge.com/product/mossberg-930-security-12ga-2/)

Mossberg 930 Gauges

The shotgun is chambered for the following gauges:

12 ga

Mossberg 930 Variants

The shotgun is available in the following variants:

Mossberg 930 Hunting
Mossberg 930 Tactical
Mossberg 930 JM Pro Series
Mossberg 930 JM Pro Series Sporting
Mossberg 930 SPX Pistol Grip
Mossberg 930 Slugster

Mossberg 930 receivers come with four holes on the top of the receiver that can be used for scope mounting purposes which is somewhat unusual for shotguns. Some variants have a pre-installed Picatinny rail.

Mossberg 930, chambered for 12 ga

Figure 2: Mossberg 930, chambered for 12 ga (Source: https://dukessportshop.com/product/mossberg-930-home-security-semi-auto12-ga-18-5-inch-barrel-7-1-rounds/)

Mossberg 930

A: 12.7 mm

B: 54 mm

C: 12.7 mm

BHU: 0 mm

Ø: 8-40

R1: R19

R2: R19

Scope Mounts Interchangeable With Mossberg 930

Shotguns That Have One-Piece Scope Mounts Interchangeable With Mossberg 930

All the shotguns listed in the category below have one-piece mounts interchangeable with Mossberg 930. For one-piece mounts to fit on a rifle, mounting surfaces on these shotguns must match in every dimension. Shotguns that have one-piece scope mounts interchangeable with Mossberg 930 are:

Shotguns That Have Two-Piece Scope Mounts Interchangeable With Mossberg 930

All the shotguns listed in the category below have two-piece mounts interchangeable with Mossberg 930. To meet interchangeability conditions, two-piece mounts must match in all dimensions except the B distance. B distance can vary because two-piece mounts can be installed and adjusted closer or further apart. Shotguns that have two-piece scope mounts interchangeable with Mossberg 930 are:

Best Scope Mounts for Mossberg 930

Picatinny Rails for Mossberg 930

For Mossberg 930 owners, interested in extending their optics mounting capabilities, the Picatinny rail might be a suitable choice due to its compatibility with a range of mounting systems. This EGW aluminum Picatinny rail, produced in the USA, matches the Mossberg 930 receiver's dimensions.

Help Us Build Our Riflescope Mounts Database

If you happen to own this or any other rifle, we would appreciate it if you could help us expand our database by sending us some photos of the rifle receiver (the bare mounting surface of the rifle without the mounts installed). For your help, our company offers a fair return in terms of practical rewards.

Please send us an email for more information. You can contact us here: [email protected]

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EGW HD Mossberg Shotgun Picatinny Rail

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EGW Mossberg 500, Early/Late Shotgun Picatinny Rail

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DNZ 25.4 mm Complete Mount for Mossberg 835 Shotgun

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Mossberg 930

The History of Mossberg