Mossberg 500
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Mossberg 500
The Mossberg 500 is a pump-action shotgun manufactured by O.F. Mossberg & Sons since 1961, representing one of the most successful and widely adopted shotgun designs in American firearms history. Chambered primarily in 12 gauge with an 18.5-inch barrel and 5-round capacity, the Model 500 has earned recognition for its rugged construction, reliability, and affordability across military, law enforcement, and civilian markets.
Designed by Carl Benson and introduced during the height of the Cold War era, the Mossberg 500 addressed the need for a versatile, cost-effective shotgun suitable for multiple roles including home defense, hunting, and tactical applications. The platform's modular design philosophy and ambidextrous safety system distinguished it from competitors, contributing to its eventual status as the most-produced pump-action shotgun in history with over 12 million units manufactured.
History and Development
Carl Benson developed the Mossberg 500 in 1961 as O.F. Mossberg & Sons sought to create a modern pump-action shotgun that could compete with established designs like the Remington 870. The company, founded in 1919 by Oscar Frederick Mossberg, had built a reputation for producing affordable, reliable firearms, and the Model 500 represented their entry into the premium shotgun market.
The design philosophy centered on modularity and ease of maintenance. Benson incorporated features that allowed users to quickly swap barrels without tools, accommodating different applications from hunting to home defense. The ambidextrous tang-mounted safety, a departure from the trigger guard-mounted safeties common at the time, provided enhanced accessibility for both right and left-handed shooters.
Production began in 1961, and the Model 500 quickly gained traction in civilian markets. By the 1970s, various government agencies began adopting the platform, leading to military and law enforcement variants. The design's inherent reliability and cost-effectiveness drove continuous production growth, with Mossberg producing millions of units across dozens of variants over the subsequent decades.
The Model 500's success established Mossberg as a major player in the American shotgun market and demonstrated the viability of their engineering approach. The platform's longevity—remaining in continuous production for over six decades—reflects both the soundness of Benson's original design and Mossberg's commitment to incremental improvements without abandoning core functionality.
Design and Mechanism
The Mossberg 500 operates on a conventional pump-action mechanism utilizing a dual-action bar system that connects the fore-end to the bolt assembly. The shooter manually cycles the action by pulling the fore-end rearward to extract and eject the spent shell, then pushing forward to chamber a new round and lock the bolt. This system provides positive mechanical operation independent of ammunition power levels.
The receiver is machined from aluminum alloy, contributing to the shotgun's relatively light weight while maintaining structural integrity. The barrel extension threads into the receiver and is secured by the magazine cap, allowing for tool-free barrel changes—a distinctive feature that sets the 500 apart from many competitors. The trigger group drops out of the receiver as a complete unit, simplifying field stripping and maintenance.
The ambidextrous tang-mounted safety represents one of the Model 500's most recognizable design elements. Located at the rear of the trigger guard, the safety can be operated by the shooter's thumb regardless of hand preference. When engaged, it blocks the trigger and prevents the action from opening, providing two levels of safety intervention.
The bolt face incorporates dual extractors that grip the rim of the chambered shell, ensuring reliable extraction even with heavily fouled chambers. The ejector, positioned in the left side of the receiver, kicks spent shells clear of the action during the pumping cycle. The loading port features beveled edges to facilitate smooth shell insertion during tactical reloads.
The trigger system utilizes a single-stage design with a trigger pull typically ranging from 5 to 7 pounds. The trigger guard is integral to the receiver, and the trigger itself incorporates a trigger safety that prevents accidental discharge if the gun is dropped or subjected to impact.
Specifications
Specification Value Caliber 12 Gauge Action Pump-action Capacity 5 rounds Barrel Length 18.5 inches Overall Length 38.5 inches Weight 96 oz (6 lbs) Feed System Tubular magazine Safety Ambidextrous tang-mounted Receiver Material Aluminum alloy Finish Matte blue Sights Bead front sight Choke Cylinder bore (18.5" barrel) Variants and Models
The Model 500 Persuader features an 18.5-inch cylinder bore barrel optimized for tactical and home defense applications, representing the most common defensive configuration. The Model 500 Cruiser eliminates the buttstock in favor of a pistol grip, creating a more compact package for specialized roles.
Hunting variants include the Model 500 Field, offered with longer barrels ranging from 24 to 28 inches and various choke configurations for different game types. The Model 500 Combo packages include both a short defensive barrel and a longer hunting barrel, maximizing versatility for users requiring multiple configurations.
The Model 500 Tactical series incorporates modern accessories including Picatinny rails, adjustable stocks, and enhanced sighting systems. These variants target law enforcement and military users requiring weapon customization capabilities. The Model 500 Mariner features corrosion-resistant Marinecote finish for maritime environments.
Specialty variants include the Model 500 Thunder Ranch, developed in collaboration with shooting instructor Clint Smith, and various limited editions celebrating military units or historical milestones. The Model 500 Retrograde pays homage to military configurations with period-correct furniture and markings.
Military and Law Enforcement Use
The United States military adopted the Mossberg 500 in various configurations, designating it the M500 in standard trim and M590 for the extended magazine tube variant. Military applications include base security, military police operations, and specialized roles requiring close-range firepower.
Law enforcement agencies across the United States have adopted the Model 500 for patrol, SWAT, and correctional applications. The shotgun's reliability, ease of maintenance, and cost-effectiveness made it attractive to departments with limited budgets. The platform's modularity allows agencies to configure weapons for specific roles while maintaining training consistency.
International military and police forces have also adopted various Model 500 configurations. The shotgun's reputation for functioning in adverse conditions contributed to its selection by agencies operating in harsh environments where maintenance resources are limited.
The Model 500's service record includes conflicts in Iraq and Afghanistan, where military personnel employed the weapon for close-quarters combat, breaching operations, and base defense. The shotgun's stopping power and reliability under combat conditions reinforced its reputation among military users.
Civilian Use and Applications
Home defense represents the primary civilian application for the Mossberg 500, particularly in the 18.5-inch barrel configuration. The shotgun's intimidation factor, stopping power, and limited over-penetration risk make it suitable for residential protection. The simple manual of arms allows users with minimal training to operate the weapon effectively.
Hunting applications span waterfowl, upland birds, and deer hunting depending on barrel length and choke configuration. The interchangeable barrel system allows hunters to optimize their setup for specific game and hunting conditions. Many hunters appreciate the Model 500's reliability in wet, muddy conditions common during waterfowl seasons.
Sport shooting applications include trap, skeet, and sporting clays, though the Model 500 is less common in competitive shooting than purpose-built competition shotguns. Some shooters use the platform for practical shotgun competitions where reliability and speed are prioritized over refined handling characteristics.
The aftermarket support for the Model 500 is extensive, with manufacturers offering stocks, barrels, sights, and tactical accessories. Popular modifications include pistol grip stocks, shell carriers, weapon lights, and optical sights. The platform's modularity and widespread adoption ensure continued availability of both factory and aftermarket components.
Cultural Impact
The Mossberg 500 has appeared in numerous films, television shows, and video games, often representing the archetypal pump-action shotgun. Its distinctive pumping sound and recognizable profile have made it a Hollywood staple for action sequences requiring dramatic effect.
The shotgun's influence on the firearms industry extends beyond its commercial success. The Model 500's design philosophy of modularity and user-serviceability influenced subsequent shotgun designs across multiple manufacturers. The ambidextrous safety, in particular, became a feature that competitors adopted in their own designs.
As the most-produced pump-action shotgun in history, the Model 500 represents American manufacturing capability and design philosophy. Its six-decade production run demonstrates the enduring appeal of simple, reliable mechanical systems in an increasingly complex technological landscape.
The platform's role in American gun culture extends from rural hunting traditions to urban self-defense, making it one of the few firearms that transcends geographic and demographic boundaries. This widespread adoption has cemented the Model 500's position as an icon of American firearms design.
See Also
Read the original article in The Handbook
Join the Discussion
If you've run a Mossberg 500, what made you grab it over other pump shotguns—and have you actually swapped barrels or stocks to take advantage of that modularity, or does yours pretty much stay as-is?
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