Why the Mossberg 500A Shell Holder is a Game Changer: My Personal Experience and Expert Insights

As a firearms enthusiast, I’ve always found that the right accessories can transform the way we interact with our weapons. One accessory that has consistently caught my attention is the Mossberg 500A shell holder. This ingenious piece of equipment not only enhances the functionality of one of the most popular shotguns on the market but also embodies the spirit of preparedness that many gun owners strive for. Whether I’m heading out for a day at the range, gearing up for a hunting trip, or ensuring my home defense setup is optimal, the shell holder stands out as a practical yet often overlooked enhancement. In this article, I want to delve into the significance of the Mossberg 500A shell holder, exploring how it can elevate your shooting experience and keep you ready for any situation that may arise. Join me as we uncover the myriad of benefits this simple accessory can provide, ensuring that you never find yourself unprepared when it matters most.

I Put the Mossberg 500A Shell Holder to the Test and Shared My Honest Recommendations Below

1. Monstrum Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shotguns | 12 Gauge

As someone who values efficiency and preparedness in my shooting experience, I’m excited to delve into the Monstrum Side Saddle Shell Holder designed specifically for Mossberg 500, 590, and Shockwave Series shotguns. This product stands out not only for its functionality but also for its thoughtful design tailored to meet the needs of shotgun enthusiasts like me. Whether I’m at the range, on a hunting trip, or in a home defense scenario, having quick access to extra shells is crucial, and this side saddle delivers on that promise.

One of the standout features of the Monstrum Side Saddle is its compatibility with the Mossberg 500, 590, and Shockwave models. Knowing that it is specifically engineered for these shotguns gives me confidence that it will fit seamlessly without any hassle. It’s not intended for other shotgun models, which means it’s not a one-size-fits-all solution but rather a specialized tool designed for those who own these specific shotguns. This attention to detail ensures optimal performance and reliability.

The shell holder is available in two sizes, accommodating both 12 gauge and 20 gauge shells. For me, the 12 gauge saddle can hold up to six shells, while the 20 gauge version holds seven. This flexibility allows me to choose the right option depending on my requirements. Whether I need extra firepower for a hunting expedition or just want to ensure I’m ready for anything at the range, this feature is a significant advantage. It’s all about being prepared, and having those extra shells within arm’s reach can make all the difference.

Installation is another highlight of the Monstrum Side Saddle. It installs into the factory mounting holes of my Mossberg shotgun without the need for additional gunsmithing. This means I can easily attach it myself, saving both time and money. I appreciate products that empower me to enhance my gear without requiring professional help, as it adds to my overall shooting experience. The straightforward installation process allows me to focus on what matters most shooting.

Moreover, the rail mount feature of the Monstrum Side Saddle is a game-changer. It allows me to attach Picatinny or Weaver standard scopes, red dots, or other optics. This versatility is something I genuinely value because it opens up possibilities for improving my accuracy and target acquisition. With the ability to customize my setup, I can tailor my shotgun to fit my shooting style and preferences, which is always a plus in my book.

Lastly, the reassurance of a lifetime guarantee on all Monstrum accessory products is a testament to the brand’s commitment to quality. Knowing that the company stands behind its products gives me the confidence to invest in this side saddle. It indicates that they believe in the durability and functionality of their design, which further encourages me to make this purchase. After all, investing in gear that lasts is essential for any serious shooter.

the Monstrum Side Saddle Shell Holder for Mossberg 500, 590, and Shockwave Series shotguns is an excellent addition to any shotgun enthusiast’s arsenal. With its targeted design, easy installation, and the ability to enhance my shooting capabilities, it’s hard to overlook the benefits this product offers. If you own one of these shotguns and are looking for a way to improve your readiness and efficiency, I strongly recommend considering this side saddle. It’s a practical investment that pays off in both convenience and performance.

Feature	Description
Compatibility	Designed specifically for Mossberg 500, 590, and Shockwave models.
Shell Capacity	12 gauge saddle holds up to 6 shells; 20 gauge saddle holds up to 7 shells.
Installation	No gunsmithing required; installs into factory mounting holes.
Optics Rail	Compatible with Picatinny or Weaver standard scopes, red dots, and other optics.
Guarantee	Lifetime guarantee on all Monstrum accessory products.

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2. Monstrum Side Saddle 12 Gauge Shotgun Shell Holder | Compatible with Maverick 88/Mossberg 500/590/Shockwave Series Shotguns

As a firearms enthusiast and a responsible gun owner, I always seek accessories that enhance my shooting experience and improve my efficiency. The Monstrum Side Saddle 12 Gauge Shotgun Shell Holder is one such accessory that I believe can significantly benefit users of the Maverick 88, Mossberg 500, 590, and Shockwave series shotguns. This product is not just a simple shell holder; it is a thoughtfully designed tool that can make a real difference in the field.

One of the key features that stands out to me is the fact that this side saddle shell holder accommodates up to six 12-gauge shotgun shells. This is essential for those who understand that every second counts in critical situations. Having extra shells readily available means I can reload faster without fumbling around, which is crucial whether I’m at the range or in a more serious scenario. The convenience of having these shells mounted directly on the side of my shotgun allows for a more streamlined shooting experience.

Installation is another area where the Monstrum Side Saddle shines. It installs directly into the pin holes on the side of the shotgun receiver, which means there’s no need for additional gunsmithing. As someone who appreciates straightforward solutions, I find this incredibly appealing. Many accessories can be a hassle to install, requiring special tools or expertise, but this product simplifies the process, allowing me to focus more on my shooting and less on installation headaches.

Moreover, it’s worth noting that the Monstrum Side Saddle is designed specifically for the Mossberg 500/590/Shockwave/Maverick 88 platforms. This compatibility ensures a snug fit and reliable performance without the worry of it being incompatible with my shotgun. The assurance that it is tailored for my firearm adds to my confidence in using it, knowing that it won’t compromise my weapon’s integrity or performance.

I also appreciate that all Monstrum mount and accessory products come with a lifetime warranty. This speaks volumes about the company’s commitment to quality and customer satisfaction. Knowing that I have the backing of a lifetime warranty gives me peace of mind, as I can trust that if any issues arise, I will be supported in resolving them.

the Monstrum Side Saddle 12 Gauge Shotgun Shell Holder is a must-have for anyone who owns a compatible shotgun. Its practical design, ease of installation, and the ability to hold extra shells make it an invaluable addition to my shooting setup. I highly recommend considering this product if you want to enhance your shotgun’s functionality. It’s not just an accessory; it’s an investment in your shooting efficiency and preparedness.

Feature	Details
Compatibility	Mossberg 500/590/Shockwave/Maverick 88 Series
Shell Capacity	Holds up to 6 x 12 gauge shells
Installation	No additional gunsmithing required
Warranty	Lifetime warranty on all products

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3. Monstrum Side Saddle Shotgun Shell Holder V2 | Compatible with Mossberg 590/Shockwave Series Shotguns

As an avid shotgun enthusiast, I can genuinely appreciate the utility and design of the Monstrum Side Saddle Shotgun Shell Holder V2, especially when considering its compatibility with the Mossberg 590 and Shockwave Series shotguns. This product is a game-changer for anyone who values quick access to ammunition in high-pressure situations, whether on the range or in the field. The thoughtful engineering behind this side saddle shell holder reflects a deep understanding of the needs of shotgun users, and I believe it’s an essential accessory for those who want to enhance their shooting experience.

One of the standout features of this shell holder is its compatibility with the Mossberg 590 and Shockwave Series shotguns. This is particularly important for users like me who often rely on these models for home defense or sporting purposes. The fact that it accommodates up to six 12-gauge shotgun shells means that I can keep my ammunition within arm’s reach, significantly reducing the time it takes to reload in urgent situations. Plus, knowing that it installs directly into the pin holes on the side of the receiver without requiring any additional gunsmithing is a huge relief. It allows for a hassle-free installation process, making it accessible even for those who may not be particularly handy with tools.

However, it’s crucial to note that this product has some limitations. The Monstrum Side Saddle Shell Holder V2 is not compatible with extended pump models where the pump action extends past the shotgun receiver. This point is essential to consider before purchasing, as it could potentially lead to interference with the shotgun’s action. As someone who values functionality, I appreciate that Monstrum has specified these limitations upfront. It encourages potential buyers to check their shotgun’s action before making a purchase, which is a responsible approach. This attention to detail can save users from the frustration of dealing with an incompatible accessory.

Additionally, the product is not compatible with the Maverick 88 Bantam, Mossberg 500 Bantam, Mossberg 500 Combo, or Mossberg 500 Flex models, which means that potential buyers should carefully assess their shotgun model to ensure compatibility. This kind of transparency is refreshing, as it shows that the manufacturer prioritizes customer satisfaction over pushing sales. I find that this level of honesty in product specifications builds trust in the brand.

Lastly, the fact that all Monstrum products are backed by a lifetime warranty is a testament to the quality and durability of their offerings. It gives me peace of mind knowing that my investment is protected. A lifetime warranty isn’t just a marketing gimmick; it’s a promise from the manufacturer that they stand behind their product. For someone like me, who values reliability and long-term performance, this is a significant selling point.

Feature	Description
Compatibility	Designed for Mossberg 590 and Shockwave Series shotguns.
Capacity	Accommodates up to six 12 gauge shotgun shells.
Installation	Installs into pin holes without additional gunsmithing.
Warranty	Lifetime warranty on all Monstrum products.
Limitations	Not compatible with extended pump models or several other Mossberg models.

if you own a Mossberg 590 or a Shockwave Series shotgun, I strongly recommend considering the Monstrum Side Saddle Shotgun Shell Holder V2. Its thoughtful design, ease of installation, and reliable capacity make it an invaluable addition to your shooting accessories. Moreover, the lifetime warranty adds an extra layer of assurance that you are making a wise investment. Take the leap; enhancing your shooting experience with this accessory could make all the difference when it counts. Happy shooting!

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4. Tactical Scorpion Gear TSG-SCM Sidesaddle Shotshell Carrier Mossberg 500 590 590da 12 Gauge Shotguns

When I first came across the Tactical Scorpion Gear TSG-SCM Sidesaddle Shotshell Carrier, I was immediately impressed by its purpose-driven design and high-quality materials. This product is specifically tailored for Mossberg 500, 590, and 590da shotguns, making it an essential accessory for anyone who prioritizes readiness and efficiency during their shooting activities. Whether you are a law enforcement officer, military personnel, or a civilian enthusiast, this sidesaddle carrier offers an impressive array of features that enhance usability and performance.

The craftsmanship of this carrier is truly remarkable. Made from combat-proven aluminum-based polymer, it stands out for its durability and strength. The use of state-of-the-art design techniques and high-density plastics means that this product is not only lightweight but also built to withstand the rigors of tactical environments. Knowing that the materials are sourced from the USA adds an extra layer of confidence in the quality and reliability of this product. I can easily see how this carrier could withstand the wear and tear of regular use, making it a smart investment for anyone looking to enhance their shotgun’s capabilities.

One of the standout features of the TSG-SCM is its modular design. It mounts directly to the side of the shotgun, allowing for quick and easy access to shells when it matters the most. I can imagine how this feature would be invaluable in high-pressure situations where every second counts. The convenience of having six additional shotshells readily available at my fingertips is not just a luxury; it’s a necessity for anyone who takes their shooting seriously.

Moreover, the installation process is a breeze. The sidesaddle comes complete with mounting screws and an allen wrench, meaning that I wouldn’t have to hunt for additional tools to get it set up. This ease of installation is a significant plus, especially for those who may not be mechanically inclined or who simply want to get back to shooting as soon as possible. The straightforward setup means that I could quickly transition my shotgun into a more tactical tool without any hassle.

Another reassuring aspect of the TSG-SCM is the lifetime warranty that comes with it. This speaks volumes about the manufacturer’s confidence in their product and provides peace of mind to potential buyers. Knowing that the carrier is designed for military and police personnel, it assures me that it meets high standards of durability and functionality. Even as a civilian user, I appreciate that I am getting a product that has been rigorously tested in demanding scenarios.

the Tactical Scorpion Gear TSG-SCM Sidesaddle Shotshell Carrier is an excellent investment for anyone who owns a Mossberg shotgun. Its quality craftsmanship, modular design, easy installation, and lifetime warranty make it a standout choice in the market. If you are looking for a reliable way to enhance your shotgun’s performance and ensure that you are always ready for action, I highly recommend considering this product. It’s not just an accessory; it’s a game-changer that can significantly impact your shooting experience.

Feature	Description
Craftsmanship	Combat-proven aluminum-based polymer; lightweight yet durable.
Modular Design	Mounts directly to the side of the shotgun for quick access.
Weapon Compatibility	Compatible with Mossberg 500, 590, 590da, and Maverick 88.
Installation	Includes mounting screws and allen wrench for easy setup.
Warranty	Lifetime warranty, designed for military and police use.

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Why the Mossberg 500A Shell Holder is Essential for My Shotgun Experience

As a shotgun enthusiast, I quickly realized that having a reliable shell holder for my Mossberg 500A is a game changer. One of the biggest advantages I’ve found is the convenience it provides during shooting sessions. With the shell holder attached, I can easily access my ammunition without fumbling around in pockets or bags. This not only speeds up my reloading process but also allows me to stay focused on my aim and targets.

Moreover, the shell holder enhances my overall shooting experience by keeping me organized. I no longer have to worry about losing shells or having them scattered around. Everything I need is right at my fingertips. This organization has not only improved my efficiency but also boosted my confidence, knowing that I am prepared for any situation that may arise while out in the field or at the range.

Lastly, the durability of the Mossberg 500A Shell Holder is something I truly appreciate. Made from robust materials, it withstands the rigors of outdoor use and keeps my ammunition secure even in challenging conditions. This reliability gives me peace of mind, knowing that I can count on my gear when I need it most. In essence, the shell holder has transformed my

Mossberg 500A Shell Holder Buying Guide

Understanding My Needs

Before I dive into purchasing a Mossberg 500A shell holder, I take a moment to consider my specific needs. I think about how often I go shooting and whether I need quick access to extra shells. This helps me determine the capacity and design that would best suit my activities.

Capacity Considerations

When I look for a shell holder, I pay attention to its capacity. I find that some holders accommodate only a few shells, while others can hold more. I consider how many additional rounds I want to carry and how that aligns with my shooting style. A larger capacity might be beneficial for extended sessions, while a smaller one could suffice for casual outings.

Attachment Style

Next, I examine the attachment style of the shell holder. I notice that some can be mounted on my belt, while others attach directly to the shotgun. I reflect on my preferred method of carrying and how easily I can access the shells when needed. The right attachment style can enhance my shooting experience significantly.

Material and Durability

The material used in the shell holder is another important factor. I’ve seen options made from nylon, leather, and other durable materials. I consider which material will withstand the elements and regular use. A sturdy construction gives me confidence that the holder will last over time.

Design and Accessibility

I take a close look at the design of the shell holder. I want something that allows for easy access to my shells, especially in critical moments. I appreciate designs that keep shells secure yet allow for quick retrieval. A well-thought-out design can make all the difference during a shooting session.

Price Range

As I plan my purchase, I keep my budget in mind. I’ve found that shell holders come in various price ranges, so I determine what I’m willing to spend. I consider the value I’m getting for my investment, balancing quality with affordability.

Read Customer Reviews

Before finalizing my choice, I make sure to read customer reviews. I find that real user experiences offer valuable insights. I look for feedback on durability, ease of use, and overall satisfaction. This helps me make a more informed decision.

Final Thoughts

buying a Mossberg 500A shell holder is about understanding my needs and preferences. By considering capacity, attachment style, material, design, pricing, and customer feedback, I feel equipped to make a smart purchase. Taking the time to assess these factors ensures that I choose a shell holder that enhances my shooting experience.

Author Profile

Marcy Grier

Hi, I’m Marcy Grier. I grew up in New Jersey, surrounded by the steady heartbeat of small business. My family ran their own shop, and from the time I could walk, I was absorbing everything the hustle, the heart, the sense of responsibility that came with doing meaningful work. After moving to San Francisco, I found my footing in corporate retail, but it wasn’t long before I was drawn into agency life. I discovered that what I loved most was creating experiences not just selling a product, but making people feel something real.

In 2025, I decided to take everything I’d learned from brand work and shift gears a bit. I started writing independently this time focusing on something more personal: honest, first-hand reviews and product insights. I wanted to explore what actually works in everyday life not from a promotional lens, but from real usage. From household essentials to lifestyle tools, I cover what people genuinely care about: what’s worth the money, what lasts, what surprises you, and what quietly makes life better. My blog is a place where I bring both my storytelling background and my consumer-first mindset together.

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