The United States Navy employs a range of shotguns tailored to shipboard security, breaching, and special operations needs. While the exact inventory can vary by command and mission, several models stand out as standard choices for naval security forces, cutters, and operators. This overview outlines the main shotgun platforms associated with the Navy, how they are used, and the ammunition and accessories that optimize performance in maritime environments.
Standard Shipboard and Security Shotgun Options
On many Navy vessels, the shipboard security team relies on rugged, reliable 12-gauge shotguns that can handle tight corridors and high-stress scenarios. The Benelli M4 Super 90, commonly referred to as the M1014 in its military designation, is a prominent platform within Navy and Marine Corps circles for per-seat or mounted crew use. This semi-automatic shotgun is prized for its fast follow-up shots, reliability under salt air exposure, and compatibility with multiple ammunition types for diverse scenarios.
In addition to the Benelli M4, the Mossberg 590 and Mossberg 590A1 have historically seen service in maritime environments. The Mossberg 590 family offers a sturdy 12-gauge platform with a pump-action action that is easy to maintain and repair in deployed settings. The 590A1 variant adds reinforcing components and grip design optimized for combat reliability, which can be especially valuable on ships where corrosion resistance and rugged operation are paramount.
Specialized Roles: Breaching, Security, and Combat
Shotguns on Navy platforms are often selected for specific tasks. For door breaching, breaching rounds loaded in a shotgun can provide effective, controlled disruption of obstacles while minimizing risk to non-target personnel. In security roles, shotguns paired with tactical aiming devices and high-visibility sights enable rapid engagement of threats in close quarters aboard ships or at security checkpoints.
Within special operations, the Benelli M4 is frequently highlighted due to its reliability and mountability. Operators may configure the platform with accessory rails, vertical grips, and optic sights to suit clandestine or high-threat missions. While the M4 is widely associated with Navy SEALs and other elite units, its use across Navy components emphasizes a shared emphasis on plausibility, training, and interoperability with other naval firearms platforms.
Ammunition and Ballistics Considerations
Naval shotguns utilize a variety of ammunition tailored to mission requirements. Typical options include buckshot for close-range defense, slugs for penetration at short to intermediate ranges, and breaching rounds for door entries. Special-purpose rounds, such as frangible or non-lethal varieties, may be used for training or specific security scenarios where minimizing collateral damage is essential.
In shipboard environments, ammunition selection weighs factors like over-penetration risk in confined spaces, magazine capacity, and the need to mitigate ricochet. Loadouts are often adjusted based on threat assessment, crew composition, and mission duration. For operators, understanding the ballistics of the chosen rounds and practicing controlled dispersion is key to effective and safe engagement in close quarters.
Accessories and Customization
The Navy favors shotgun configurations that maximize reliability and versatility in demanding environments. Common accessories include ghost-ring or red-dot sights for rapid target acquisition, tactical stocks for improved cheek weld and recoil management, and bayonet lug or handguard rails for mounting lighting and laser devices. Magazines or shells may be arranged to enable quick reloading in high-pressure scenarios, while corrosion-resistant finishes help ensure longevity aboard ships.
Hydration, maintenance, and storage considerations are also important. Shotguns deployed on naval vessels should be cleaned after exposure to salt air and seawater, inspected for wear, and stored in secure weapon lockers that meet shipboard safety standards. The ability to quickly transition between ammunition types, when policy allows, enhances mission flexibility without compromising safety.
Training, Tactics, and Deployment
Training for Navy shotguns emphasizes marksmanship, safe handling, and scenario-based drills that replicate shipboard layouts. Sailors and operators practice loading techniques, target discrimination, and clearance procedures in tight spaces to minimize the risk of accidental discharge. Tactics focus on swift entry, room clearing, and the confident use of breaching rounds when door systems impede access.
Deployment considerations include maintenance cycles, readiness reporting, and compatibility with other Navy weapons systems. Units that carry shotguns often coordinate with maritime security elements, law enforcement, and special operations commands to ensure standardized procedures, unified communications, and a common understanding of rules of engagement.
Historical Context and Evolution
Historically, naval firearms have evolved to address the unique demands of maritime operations. Early shipboard shotguns prioritized ruggedness and simplicity, while modern platforms emphasize modularity, reliability in harsh climates, and interoperability with other weapons systems. The adoption of the Benelli M4 and continued use of Mossberg platforms reflect a balance between proven performance and practical maintainability aboard ships and coastal security posts.
Operational Summary
- Primary platform: Benelli M4 Super 90 (M1014) remains a central element for many Navy units requiring a fast, reliable semi-automatic 12-gauge shotgun.
- Alternate options: Mossberg 590/590A1 provides a robust pump-action alternative for shipboard security and durable field use.
- Ammunition strategy: Buckshot, slugs, and breaching rounds are employed based on mission needs and environmental constraints.
- Accessories: Optics, rails, and corrosion-resistant finishes enhance performance in maritime settings.
- Training focus: Close-quarters drills, safety practices, and scenario-based breaching procedures are central to readiness.