
Mossberg 51660 590A1 Tactical 12 Gauge Pump Action Shotgun
$706.99
$759
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The Unwavering Standard: Mossberg 590A1 Tactical Shotgun for Ultimate Reliability and Defense
For individuals seeking unparalleled reliability, rugged durability, and uncompromising performance in a tactical shotgun, the Mossberg 590A1 Tactical stands as a preeminent choice. This isn't just a firearm; it's a testament to robust engineering, designed to perform flawlessly when it matters most. Widely recognized as a duty weapon of choice for military and law enforcement agencies across the globe, the 590A1 offers peace of mind and unwavering capability for critical applications, from professional operations to personal and home defense.
Why Choose a Tactical Shotgun? Who is the Mossberg 590A1 For?
Many responsible citizens and professionals frequently ask, "What is the best tactical shotgun for home defense?" or "What firearm can I trust in high-stakes situations?" The Mossberg 590A1 answers these questions definitively. This shotgun is specifically engineered for:
- Law Enforcement and Military Personnel: Its Mil-Spec construction ensures it meets stringent military specifications for durability and performance in the harshest environments. It's built to withstand the rigors of combat and demanding operational use.
- Home Defense Enthusiasts: For those prioritizing the safety and security of their family and property, the 590A1 offers a potent and reliable deterrent. Its intuitive pump action and substantial capacity make it an effective tool for close-quarters defense.
- Responsible Citizens: Anyone looking for a robust, dependable, and easy-to-operate firearm for self-protection will find the 590A1 an ideal solution. Its straightforward design and proven track record inspire confidence.
- Tactical Training and Competition: While primarily a duty weapon, its robust build and smooth operation make it suitable for tactical shotgun courses and certain competitive shooting disciplines where reliability is paramount.
The core problem the Mossberg 590A1 solves is the critical need for a firearm that will consistently function under stress, in adverse conditions, and with minimal maintenance. It provides a definitive edge when reliability is non-negotiable.
Decoding Mil-Spec: The Heart of 590A1's Legendary Durability
What does "Mil-Spec" truly mean for a shotgun, and why is it so important? Mil-Spec (Military Specification) refers to a set of standards developed by the U.S. Department of Defense. For a firearm like the Mossberg 590A1, achieving Mil-Spec 3443G (the specific standard for pump-action shotguns) signifies that it has passed rigorous tests for:
- Durability: Ability to withstand extreme temperatures, humidity, salt spray, sand, dust, and significant impact.
- Reliability: Consistent performance through tens of thousands of rounds without failure.
- Material Quality: Use of specific, high-strength materials and manufacturing processes.
- Functionality: Guaranteed performance across a wide range of ammunition types and operational conditions.
This level of certification is rare in the civilian market and directly translates to the unwavering confidence users place in the 590A1. It’s why you’ll find heavy-walled barrels for superior heat dissipation and reduced muzzle rise, a Parkerized finish for exceptional corrosion resistance, and a metal trigger guard and safety, all contributing to a shotgun that simply refuses to quit.
Key Features That Set the Mossberg 590A1 Apart
The 590A1 Tactical model, specifically the 51660 variant, is packed with features designed for optimal performance in high-stress environments. These include:
- Heavy-Walled Barrel (20 inches): This robust barrel construction is not just for show. It provides increased rigidity, better heat dissipation during rapid firing, and enhanced accuracy potential. It also contributes to the shotgun's overall ruggedness and longevity.
- Parkerized Finish: Both the barrel and receiver boast a black Parkerized finish. This phosphate conversion coating is renowned for its exceptional corrosion and wear resistance, making the shotgun ideal for use in wet, humid, or otherwise challenging conditions where rust is a concern.
- Drilled & Tapped Receiver: The receiver comes pre-drilled and tapped, allowing for easy installation of optics, rail sections, or other accessories. This flexibility enables users to customize their shotgun for specific tactical applications, whether it's adding a red dot sight for faster target acquisition or a light for low-light engagements.
- Mil-Spec Construction: As detailed above, this encompasses the highest standards of material quality, manufacturing processes, and testing, ensuring the shotgun's legendary reliability and durability.
- Metal Trigger Guard & Safety: Unlike many shotguns that may use polymer components, the 590A1 features a robust metal trigger guard and safety. This further enhances the firearm's overall strength and resilience, minimizing points of failure in critical situations.
- Synthetic Stock: The black synthetic stock is designed for all-weather performance. It is impervious to moisture, won't warp or crack, and provides a stable, comfortable grip. The non-slip rubber recoil pad significantly reduces felt recoil, allowing for faster follow-up shots and more comfortable extended training sessions.
- Ambidextrous Tang Safety: Mossberg's signature tang-mounted safety is easily accessible and intuitive for both right and left-handed shooters, promoting quick and decisive action.
- Dual Extractors: This critical feature ensures reliable ejection of spent shells, even under adverse conditions or with varied ammunition types, drastically reducing the chance of malfunctions.
- Twin Action Bars: Two robust action bars ensure smooth, non-binding forend operation. This design prevents twisting or jamming during cycling, contributing to the shotgun's exceptional reliability.
- Positive Steel-to-Steel Lockup: The action achieves a solid, secure lockup between the bolt and barrel, enhancing safety and contributing to overall firearm longevity and consistent performance.
- Anti-Jam Elevator: This specialized component ensures smooth and consistent feeding of shells from the magazine tube into the chamber, virtually eliminating feeding malfunctions.
- High Capacity (8+1): With an 8-round magazine capacity plus one in the chamber, the 590A1 provides substantial firepower, a crucial advantage in tactical and home defense scenarios.
- Fixed Cylinder Bore Choke: The fixed cylinder bore is ideal for close-quarters engagements, providing a wide shot pattern for maximum coverage at defensive distances.
Beyond the Specs: Real-World Applications and Advantages
When considering the Mossberg 590A1 Tactical, it's important to visualize its performance in real-world scenarios.
- Home Defense: Imagine a scenario where a bump in the night requires investigation. The Mossberg 590A1, with its robust construction and high capacity, offers immediate confidence. Its intuitive pump action is easy to operate under stress, and the 12-gauge power provides decisive stopping power. The bead front sight allows for rapid target acquisition in close quarters.
- Law Enforcement Patrol: Officers rely on the 590A1 as a formidable tool for vehicle stops, perimeter security, and breach operations. Its ability to reliably function in all weather conditions, from torrential rain to freezing temperatures, makes it an indispensable part of their toolkit.
- Tactical Training: For professionals and enthusiasts honing their skills, the 590A1 can withstand intensive training courses involving thousands of rounds. Its heavy-duty components resist wear and tear, ensuring that the shotgun performs day after day without degradation.
The choice of a pump-action mechanism itself is a deliberate one for tactical applications. While semi-automatics offer faster follow-up shots, the pump action's inherent reliability in cycling a wide variety of ammunition, even low-power or specialty rounds, makes it a favored choice for critical incidents. The positive, manual cycling action gives the operator direct control, often allowing for clearing minor feed issues that might stop an automatic weapon.
Maintaining Your Mossberg 590A1: Ensuring Longevity and Performance
Like any precision tool, proper care and maintenance will ensure your Mossberg 590A1 continues to perform at its peak. While built for ruggedness, routine cleaning after use, especially after firing, will prevent carbon buildup and maintain smooth operation. Users should familiarize themselves with safe disassembly for cleaning and ensure proper lubrication of moving parts. Always store the shotgun securely and responsibly, unloaded and with ammunition stored separately.
Where to Find the Mossberg 590A1 Tactical
For those ready to invest in the proven reliability and tactical prowess of the Mossberg 590A1, look no further than DEGuns. As a trusted retailer of high-quality firearms, DEGuns offers a comprehensive selection, competitive pricing, and knowledgeable customer service to assist you in acquiring this exceptional tactical shotgun. When searching for model 51660, with the UPC 015813516600, DEGuns is a prime destination for your purchase.
This shotgun isn't just a purchase; it's an investment in robust American engineering, a commitment to personal security, and a choice for a firearm that will stand ready, year after year, when reliability is paramount.
Mossberg 590A1 Tactical Shotgun Specifications
| Feature | Detail |
|---|---|
| Brand | Mossberg |
| Category | Tactical Shotguns |
| Series | Tactical |
| Model | 590A1 |
| Gauge | 12 Gauge |
| Capacity | 8+1 |
| Chamber | 3" |
| Action | Pump |
| Barrel Length | 20" |
| Barrel Finish | Black Parkerized |
| Barrel Type | Heavy-Walled |
| Sights | Bead Front |
| Chokes Included | Fixed Cylinder Bore |
| Receiver Finish | Black Parkerized |
| Receiver Material | Steel |
| Safety | Tang |
| Stock Material | Synthetic |
| Stock Finish | Black |
| Recoil Pad Type | Non-Slip Rubber |
| Overall Length (OAL) | 41" |
| Length of Pull | 13.87" |
| Weight | 7 lbs |
| Hand | Right Hand (Ambidextrous Safety) |
| Application | Home Defense, Tactical |
| UPC | 015813516600 |
Specifications
Explore the specific details and characteristics
- Caliber
- 12 Gauge
- SKU
- 81179
- UPC
- 015813516600
- MPN
- 51660







