Manufacturer catalog

O.F. Mossberg & Sons

O.F. Mossberg & Sons is a family-owned American firearms manufacturer founded in New Haven, Connecticut, in 1919 by Oscar F. Mossberg and his sons Iver and Harold. Its catalog relevance centers on pump-action shotguns, especially the Model 500 and 590/590A1 lines, while the company's current public portfolio also includes rifles, autoloading shotguns, pistols, parts, and accessories.

3 weapons

Mossberg began in March 1919 in a rented loft on State Street in New Haven after the end of First World War military production left Oscar Mossberg and his sons looking for new work. The company traces its first product to the Brownie .22 pistol, then expanded into rimfire rifles, sporting shotguns, and later the pump-action shotgun families that made Mossberg a major U.S. long-gun manufacturer.

For this catalog, Mossberg matters because several public weapon records resolve to its shotgun production line. The general Model 500 family anchors both sporting and police-configured less-lethal records, while the 590 and 590A1 branch connects the same pump-action lineage to military and law-enforcement product pages. Manufacturer context stays here; any conflict-specific use remains on individual weapon pages.

Pump-action shotgunsTactical and law-enforcement shotgunsSporting shotgunsBolt-action and semi-automatic riflesHandguns and firearm accessories

Notable Systems

Mossberg 590 Shotgun, 12-gauge pump-action shotgun, Infantry Weapons

Mossberg 590 / 590A1 shotgun family

12-gauge pump-action shotgun

Mossberg presents the 590A1 as a strengthened pump-action shotgun line meeting MIL-SPEC 3443G, with heavy-walled barrels, metal trigger guard and safety, clean-out magazine tube, and Parkerized finish.

Sources: 590A1 product line, Mossberg Army Contract 2025
Mossberg 500 Less Lethal 12-Gauge Shotgun, Less-lethal pump-action 12-gauge shotgun, Infantry Weapons

Mossberg 500 less-lethal shotgun

Less-lethal pump-action 12-gauge shotgun

The cataloged less-lethal record is a Mossberg 500 police configuration; Mossberg describes the wider 500 series as a durable, versatile pump-action shotgun platform.

Sources: 500 product line

Manufacturer History

  1. Company founded in New Haven

    Mossberg's company history says O.F. Mossberg & Sons began in March 1919 in a rented State Street loft in New Haven, Connecticut, founded by Oscar Mossberg with his sons Iver and Harold.

    Sources: Company history

  2. First Model 500 produced

    Mossberg's centennial timeline identifies 1962 as the first-production year for the Model 500 pump-action shotgun, the base family behind several cataloged Mossberg shotgun records.

    Sources: 100 Years of Mossberg

  3. 590 branch adopted by U.S. military services

    Mossberg's 2025 Army-contract announcement says the original 590 platform was first adopted by multiple U.S. military branches in 1987 after completing MIL-SPEC 3443E testing.

    Sources: Mossberg Army Contract 2025

  4. Additional U.S. Army 590A1 contract announced

    Mossberg announced an approximately $11.6 million U.S. Army award for additional 590A1 pump-action shotguns.

    Sources: Mossberg Army Contract 2025

Website links
Official websiteCompany historyContact information590A1 product line

Public company sources emphasize sporting, defensive, law-enforcement, and military shotgun lines. This profile describes manufacturer and product-line context only; operational or conflict-use claims remain on weapon records with direct conflict-specific sourcing.

Manufacturer Sources

  • Official websitePublisher: O.F. Mossberg & Sons | Note: Supports the current official company identity, public product categories, and website link. | Accessed: 2026-07-11
  • Company historyPublisher: O.F. Mossberg & Sons | Note: Supports the 1919 founding in New Haven by Oscar Mossberg and sons Iver and Harold, early Brownie pistol context, and family-owned manufacturing history. | Accessed: 2026-07-11
  • Contact informationPublisher: O.F. Mossberg & Sons | Note: Supports the North Haven, Connecticut corporate headquarters address. | Accessed: 2026-07-11
  • 500 product linePublisher: O.F. Mossberg & Sons | Note: Supports the 500 series as a Mossberg pump-action shotgun platform and the company's claim of more than 12 million sold. | Accessed: 2026-07-11
  • 590A1 product linePublisher: O.F. Mossberg & Sons | Note: Supports the 590A1 product-line description, MIL-SPEC 3443G claim, heavy-walled barrel, metal trigger guard and safety, clean-out magazine tube, and Parkerized finish. | Accessed: 2026-07-11
  • Mossberg Army Contract 2025Publisher: O.F. Mossberg & Sons | Note: Supports the 1987 military adoption context for the 590 platform and the approximately $11.6 million 2025 U.S. Army award for additional 590A1 shotguns. | Accessed: 2026-07-11
  • 100 Years of MossbergPublisher: O.F. Mossberg & Sons | Note: Supports the 1962 first-production date for the Model 500 platform. | Accessed: 2026-07-11
  • PEO Mossberg 590A1 imagePublisher: Wikimedia Commons | Note: Supports image provenance for a public-domain U.S. Government photograph of a Mossberg 590A1. | Accessed: 2026-07-11

Produced weapons

Category

Infantry Weapons

Portable weapons used by soldiers and small units.

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Mossberg 590 Shotgun, 12-gauge pump-action shotgun, Infantry Weapons2014 War Against the Islamic StateMossberg 590 Shotgun12-gauge pump-action shotgunBuilt in: United StatesThe Mossberg 590 is O.F. Mossberg & Sons' U.S.-built pump-action shotgun line for military, law-enforcement, and defensive use. The 590A1 variant is the military-oriented branch of the family, with Mossberg listing MIL-SPEC 3443G compliance, a heavy-walled barrel, metal trigger guard and safety, a clean-out magazine tube, and Parkerized finish; DVIDS imagery documents U.S. Marines firing and handling 590A1 shotguns in Iraq during Operation Inherent Resolve.
12-gauge shotgun, Shotgun, Infantry Weapons2022 Haitian Gang Conflict, 2012 Central African Republic Civil War +3 more12-gauge shotgunShotgunBuilt in: United States / Italy / Turkey / other countriesThe 12-gauge shotgun is a broad family of shoulder-fired smoothbore firearms chambered for fixed shotgun shells. Modern 12-gauge guns span pump-action, break-action, and semi-automatic layouts, while documented conflict roles range from Ukrainian short-range counter-drone defense and Central African militia small arms to Islamic State recoveries; Haiti coverage is narrower because the cited reporting identifies gang-held pump-action shotguns without confirming gauge.