Mossberg 590M Magazines

Mossberg 590 Magazine: Everything You Need to Know

What is the Mossberg 590M?

The Mossberg 590M is a 12-gauge, pump-action shotgun that stands out due to its detachable, double-stack magazine system. This innovative design allows for faster reloads and greater capacity, making it an excellent choice for home defense, competition shooting, and tactical applications. Built on Mossberg’s legendary pump-action platform, the 590M is renowned for its reliability and durability. The double-stack magazine configuration ensures a higher round count, providing users with the firepower they need in critical situations.

Why Mossberg 590 M Magazines Are Essential

The Mossberg 590 M is a magazine-fed, pump-action 12-gauge shotgun designed for home defense, tactical use, and law enforcement. Unlike traditional tube-fed shotguns, it utilizes detachable box magazines for faster reloads and increased capacity. A high-quality Mossberg 590 M magazine ensures reliable feeding, smooth cycling, and durable performance under demanding conditions.

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Understanding the Mossberg 590 M Platform

The Mossberg 590 M is a highly regarded tactical shotgun that builds upon the proven reliability of the Mossberg 590 series. This model features a detachable magazine system, allowing for faster reloads compared to traditional shotguns. The notches engineered in the receiver engage with the magazine's stabilizing ribs to ensure a positive lock-up. The dual-action bars and heavy-walled barrel enhance durability, while the robust magazine system provides a higher round count with quick-change capability. The shotgun is favored by law enforcement, security professionals, and home defenders for its adaptability and firepower.

Magazine Overview and Compatibility

The Mossberg 590 M magazine is a proprietary design, engineered specifically for use with the Mossberg 590 M shotgun. It features a molded external shell that enhances grip and usability. Available in multiple capacity options, including 5, 10, 15, and 20 rounds, these magazines cater to various shooting needs, from self-defense to high-volume tactical applications. Because these magazines are unique to the Mossberg 590M, they are not compatible with other Mossberg models or third-party firearms. Always verify your shotgun model before purchasing to ensure compatibility.

Features of a Quality Mossberg 590M Magazine: Hardened Steel Feed Lips

  • Durable Polymer Construction – Lightweight yet impact-resistant.
  • Heavy-Duty Feed Springs – Ensures consistent feeding under high-stress conditions.
  • Multiple Capacity Options – Available in 5, 10, 15, and 20-round configurations.
  • Anti-Tilt Follower – Prevents feeding issues and ensures smooth operation.
  • Textured Grip Surface – Allows for secure handling and quick magazine swaps.
  • Comparison with Kel-Tec KSG – The Kel-Tec KSG, a modern bullpup shotgun with dual magazine tubes, offers high round counts similar to the Mossberg 590M. Despite its benefits for home defense and competition, it has not gained widespread popularity.

Mossberg 590 M Magazine Capacity Options and Removable Floor Plate

  • 5-round magazines – Ideal for hunting and home defense.
  • 10-round magazines – Balanced capacity for tactical and recreational shooting.
  • 15-round magazines – Enhanced capacity for extended engagements.
  • 20-round magazines – Maximum firepower for high-volume shooting situations.

Models and Variants

The Mossberg 590M comes in several models and variants, each tailored to different needs and preferences:

  • 590M Mag-Fed 10-Round (50205): This base model features an 18.5-inch, heavy-walled cylinder bore barrel and a 10-round, double-stack magazine, offering a balanced mix of capacity and maneuverability.
  • 590M Mag-Fed Tri-Rail 10-Round (50206): Equipped with a Tactical Tri-Rail forend, this variant includes an 18.5-inch heavy-walled barrel and a 10-round, double-stack magazine, providing additional rail space for mounting accessories.
  • 590M Breacher Professional Series: Designed for professional use, this model boasts a Cerakote protective finish, a 12-gauge, 2.75-inch platform, and a double-stack magazine, making it a robust choice for demanding environments.
  • 590M Mag-Fed Professional Series: This series includes compact models with Magpul furniture and a Breacher firearm, offering enhanced ergonomics and versatility for tactical applications.

Accessories and Compatibility

The Mossberg 590M is highly adaptable, with a range of compatible accessories to enhance its performance and functionality:

  • Detachable Magazines: Available in 5, 10, 15, and 20-round capacities, these magazines cater to various shooting needs.
  • Magazine Extensions: These extensions allow for increased capacity and faster reloads, giving you an edge in high-stress situations.
  • Tactical Tri-Rail Forend: Featuring a full-length bottom rail and dual side rails, this forend is perfect for attaching lights, lasers, and other accessories.
  • Ghost-Ring Sight: This durable and adjustable sight system improves accuracy, especially in low-light conditions.
  • Heat Shield: Protects the shooter’s hand from heat and debris, ensuring comfort during extended shooting sessions.
  • Accu-Choke System: Allows for interchangeable choke tubes, enhancing the shotgun’s performance across different shooting scenarios.

The 590M’s design includes a positive lock-up system with integral stabilizing ribs on the magazine, ensuring reliable feeding. The durable black oxide finish on steel components adds to its longevity. The double-stack magazine features hardened steel feed lips, an anti-cant, rounded follower, and a removable floor plate for easy cleaning. The all-steel, ambidextrous magazine release button and housing are strategically positioned in front of the trigger guard, allowing for quick and easy reloads, making the Mossberg 590M a versatile and reliable choice for any shooter.

OEM vs. Aftermarket Mossberg 590M Magazines

Mossberg OEM magazines are specifically designed for the 590M, ensuring optimal fit, function, and reliability. Aftermarket options are limited due to the proprietary nature of the 590M magazine system. While some aftermarket choices may be available, they may not offer the same level of reliability as OEM versions.

Choosing the Right Mossberg 590M Magazine with Positive Lock Up

  • Home Defense – 5 or 10-round magazines provide maneuverability and controlled firepower.
  • Tactical & Law Enforcement – 10, 15, or 20-round magazines offer sustained firepower.
  • Recreational & Training – 10 or 15-round magazines provide balanced shooting sessions.

Magazine Construction and Durability: Integral Stabilizing Ribs

Mossberg 590M magazines are constructed from high-strength polymer, making them lightweight and impact-resistant. Their reinforced feed lips and heavy-duty spring systems ensure longevity and smooth feeding, even in high-stress environments. The textured surface aids in quick magazine changes, enhancing overall usability and reliability.

Maintaining & Cleaning Your Mossberg 590M Magazine

  • Disassemble – Remove the base plate, spring, and follower.
  • Clean Thoroughly – Use a brush or compressed air to remove debris.
  • Inspect for Wear – Check feed lips, spring tension, and follower condition.
  • Reassemble Properly – Ensure correct alignment before reinserting.

Troubleshooting Common Issues

  • Failure to feed? Check for dirt buildup and inspect the spring tension.
  • Magazine not seating? Ensure it is fully inserted and locked in place.
  • Difficulty loading rounds? Clean the follower and ensure smooth movement.

Storage Tips for Longevity

  • Keep in a Dry Environment – Prevents corrosion and polymer degradation.
  • Rotate Magazines Regularly – Avoids spring fatigue from constant compression.
  • Handle with Care – Dropping a loaded magazine may cause damage or misalignment.

Mossberg 590M Magazine Feedback

Mossberg 590 M magazine users praise their reliability, durability, and high-capacity options. Whether for home defense, law enforcement, or tactical applications, these magazines provide dependable performance. If you’re looking for in-stock options, Pro Armory offers competitive pricing and fast shipping.

Find the Best Mossberg 590 M Magazine Deals Here

Frequently Asked Questions (FAQ)

Q: What is the best Mossberg 590 M magazine?

A: OEM Mossberg 590 M magazines offer the best fit, reliability, and durability.


Q: Can I use aftermarket magazines with my Mossberg 590M?

A: The 590M uses proprietary magazines, so compatibility with aftermarket brands is limited.


Q: How often should I clean my shotgun magazine?

A: Clean your Mossberg 590M magazine every 300-500 rounds to prevent feeding issues.


Q: Where can I buy Mossberg 590M magazines?

A: Pro Armory has in-stock options with fast shipping.

Why Buy Mossberg 590M Magazines from Pro Armory?

  • Competitive Pricing – Affordable, quality options.
  • Quick Shipping – Fast delivery with minimal downtime.
  • Trusted by Customers – Verified reliability and top-tier performance.

Final Thoughts

The Mossberg 590M is a groundbreaking magazine-fed shotgun that benefits greatly from high-quality magazines. Whether for self-defense, tactical use, or training, choosing the right magazine is crucial for performance. OEM magazines offer the best reliability, while proper maintenance ensures longevity.

For the best selection of Mossberg 590M magazines at unbeatable prices, Pro Armory has you covered. With in-stock options and fast shipping, you can find the right magazine to keep your Mossberg 590M performing at its peak.

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