Why the Mossberg 500A Shell Holder is a Game-Changer for Every Shooter: My Personal Experience

As a passionate firearm enthusiast, I’ve always found that the right accessories can make all the difference in enhancing both the functionality and enjoyment of my shooting experience. One such accessory that has captured my attention is the Mossberg 500A Shell Holder. This handy tool not only adds a layer of convenience for quick reloading but also showcases the practicality that a well-thought-out design can offer. In my journey exploring the world of shotguns, I’ve come to appreciate how this simple yet effective shell holder can elevate my shooting sessions, whether I’m out at the range or in the field. Join me as we delve into the features, benefits, and unique qualities of the Mossberg 500A Shell Holder, and discover why it’s a must-have for any serious shooter.

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

As someone who values both functionality and reliability in firearm accessories, I couldn’t be more excited to delve into the Monstrum Side Saddle Shell Holder designed specifically for Mossberg 500, 590, and Shockwave Series shotguns. With the increasing need for efficiency and preparedness, this product is a game-changer for shotgun enthusiasts and professionals alike. The Monstrum Side Saddle provides not only a practical solution for shell storage but also enhances the overall shooting experience.

One of the standout features of this shell holder is its compatibility with the Mossberg 500, 590, and Shockwave Series shotgun models. This focused design means that it integrates seamlessly into these specific firearms, ensuring that users can confidently rely on it without the worry of compatibility issues. Unlike universal products, which often compromise on fit and functionality, the Monstrum Side Saddle is tailor-made for these popular shotgun models. This dedication to specific design is something I truly appreciate as it reflects a commitment to quality and performance.

When it comes to practicality, the Monstrum Side Saddle shines with its two size options. The 12-gauge saddle accommodates up to six shells, while the 20-gauge saddle can hold up to seven shells. This versatility is perfect for users who may switch between different shotgun gauges or need varying capacities based on the shooting situation. Whether I’m on the range or in the field, having quick access to additional shells is invaluable, and this holder ensures that I’m prepared for any scenario without the clutter of loose shells.

The installation process of the Monstrum Side Saddle is another factor that sets it apart. It installs directly into the factory mounting holes of the Mossberg 500, 590, and Shockwave Series shotguns, which means I don’t need any additional gunsmithing to get it up and running. This user-friendly installation process allows me to equip my shotgun quickly and efficiently, making it an ideal choice for both seasoned shooters and beginners. I can appreciate how this saves time and energy, especially when I’m gearing up for a day of shooting.

Moreover, the added rail mount for attaching Picatinny or Weaver standard scopes, red dots, or other optics is a fantastic bonus. This feature is essential for those of us looking to enhance our shooting accuracy and target acquisition. I find that the combination of a reliable shell holder and the ability to mount optics creates a more streamlined shooting setup. It’s a thoughtful addition that showcases Monstrum’s understanding of what shooters need to perform at their best.

Lastly, knowing that all Monstrum accessory products come with a lifetime guarantee instills a sense of confidence in my purchase. It’s reassuring to know that the company stands behind its products, which speaks volumes about the quality and durability of the Monstrum Side Saddle. I feel like I’m not just buying a product, but investing in a reliable accessory that will serve me well for years to come.

the Monstrum Side Saddle Shell Holder is more than just a shell holder; it’s a well-thought-out accessory that enhances the functionality of Mossberg shotguns. With its compatibility, size options, easy installation, optical mounting capabilities, and lifetime guarantee, this product is a must-have for anyone serious about their shooting experience. If you’re looking to improve your efficiency and preparedness, I highly recommend considering the Monstrum Side Saddle. It’s a decision that you won’t regret.

Feature	Description
Compatibility	Designed for Mossberg 500, 590, and Shockwave Series shotguns
Size Options	12 gauge saddle (up to 6 shells), 20 gauge saddle (up to 7 shells)
Installation	No additional gunsmithing required; installs into factory mounting holes
Optics Rail	Mount for Picatinny or Weaver standard scopes and red dots
Warranty	Lifetime guarantee on all Monstrum accessory products

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2. Monstrum Side Saddle Shotgun Shell Holder V2 | Compatible with Most Maverick 88/Mossberg 500/590/Shockwave Series Shotguns

As a shotgun enthusiast, I recently came across the Monstrum Side Saddle Shotgun Shell Holder V2, and I must say, it has been a game-changer for my shooting experience. This product is specifically designed for compatibility with popular shotgun models, including the Mossberg 500, 590, Shockwave, and Maverick 88 series. This thoughtful design ensures that I can keep my shells close at hand, enhancing my efficiency and readiness during shooting sessions.

One of the standout features of the Monstrum Side Saddle is its straightforward installation process. It installs directly into the pin holes on the side of the shotgun receiver without requiring any additional gunsmithing. This is a major plus for someone like me, who appreciates simplicity and ease of use in firearm accessories. I was able to attach it quickly and start using it right away, without the need for specialized tools or skills. This feature alone makes it an attractive option for shooters of all experience levels.

Another great aspect of this shell holder is its capacity. It accommodates up to six 12-gauge shotgun shells, which is perfect for those of us who appreciate being prepared for any scenario. Whether I’m at the range or out in the field, knowing that I have extra shells readily available gives me confidence and peace of mind. The side saddle design allows for easy access to the shells, enabling me to reload quickly and efficiently, which is crucial in fast-paced shooting situations.

However, it’s important to note that the Monstrum Side Saddle is not compatible with extended pump models, as it may interfere with the action. I appreciate that Monstrum has provided an infographic to clarify compatibility before purchasing. This thoughtful touch helps ensure that I make an informed decision, preventing any potential issues with fitment. It’s always reassuring to know that a brand is dedicated to customer satisfaction and transparency.

Lastly, the lifetime warranty that comes with all Monstrum products speaks volumes about the brand’s confidence in their offerings. Knowing that I have the backing of a warranty adds an extra layer of assurance that I’m investing in a quality product that is built to last. This commitment to quality is something I take seriously when considering any accessory for my firearms.

In summary, if you’re in the market for a side saddle shell holder that is easy to install, compatible with major shotgun models, and offers quick access to additional shells, I wholeheartedly recommend the Monstrum Side Saddle Shotgun Shell Holder V2. It enhances my shooting experience, and I believe it could do the same for you. Don’t miss out on the opportunity to elevate your shotgun’s functionality—this product is a worthwhile addition to your gear!

Feature	Description
Compatibility	Fits Mossberg 500/590/Shockwave/Maverick 88 series shotguns.
Installation	No gunsmithing required; installs into pin holes on the receiver.
Shell Capacity	Accommodates up to six 12-gauge shotgun shells.
Warranty	Backed by a lifetime warranty.
Note	Not compatible with extended pump models.

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

I recently came across the Monstrum Side Saddle 12 Gauge Shotgun Shell Holder, and I must say, it stands out as a must-have accessory for anyone who owns a Mossberg 500, 590, Shockwave, or Maverick 88 shotgun. The thoughtful design and practical features of this shell holder make it an excellent addition to your shooting setup, enhancing both functionality and convenience during use.

One of the most appealing aspects of the Monstrum Side Saddle is its compatibility with several popular shotgun models. This versatility ensures that if you own any of the compatible platforms, you can easily install it without worrying about additional modifications or gunsmithing. The installation process is straightforward, as it utilizes existing pin holes on the side of the receiver, allowing you to attach it quickly and efficiently. This user-friendly design is particularly beneficial for those who may not have extensive experience with firearms or modifications.

Capacity is another significant feature of the Monstrum Side Saddle. It can accommodate up to six 12-gauge shotgun shells, providing you with immediate access to extra ammunition. This is incredibly useful during shooting sessions, as it allows for quick reloading without fumbling around for shells. Whether you’re engaged in target practice, home defense, or hunting, having those shells readily available can make a considerable difference in your shooting experience. The ease of access and the ability to keep your hands free for other tasks cannot be overstated.

Moreover, the assurance of quality that comes with the Monstrum brand is a point I appreciate. All their mount and accessory products are backed by a lifetime warranty, which speaks volumes about their commitment to customer satisfaction and product durability. Knowing that I am investing in a product that is designed to last gives me peace of mind. In a world where many accessories fall short, Monstrum stands firm in their promise of quality, making this purchase feel secure and reliable.

if you are a proud owner of a Mossberg 500, 590, Shockwave, or Maverick 88 shotgun, I highly recommend considering the Monstrum Side Saddle 12 Gauge Shotgun Shell Holder. Its ease of installation, ample shell capacity, and lifetime warranty create a compelling case for adding this accessory to your arsenal. It not only enhances your shooting experience but also provides a level of preparedness that every gun owner should strive for. So why wait? Equip your shotgun with this handy shell holder and elevate your shooting game today!

Feature	Description
Compatibility	Fits Mossberg 500/590, Shockwave, and Maverick 88 shotguns
Installation	Installs into pin holes with no gunsmithing required
Shell Capacity	Accommodates up to six 12-gauge shotgun shells
Warranty	Lifetime warranty on all Monstrum products

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4. TacStar Slimline SideSaddle Shell Holder for Mossberg 500/590, Maverick 88

As someone who appreciates the importance of having the right accessories for my firearm, I was thrilled to come across the TacStar Slimline SideSaddle Shell Holder designed specifically for the Mossberg 500, 590, and Maverick 88 shotguns. This product not only boasts an impressive list of features but also highlights the quality and craftsmanship that comes with being made in the USA. There’s something reassuring about knowing that I am supporting an American company dedicated to producing reliable and efficient firearm accessories.

One of the standout features of the TacStar SideSaddle is its strong and rigid, non-glare, anodized aluminum backing plate. This means that I can rely on it to hold up against the rigors of use while maintaining a sleek appearance. The choice of materials ensures durability without adding unnecessary weight, making it a perfect addition to my shotgun without compromising its handling. The design also contributes to a streamlined profile, which is essential for anyone who values agility and quick access to ammunition in high-pressure situations.

Another feature that I find particularly impressive is the durable, flexible synthetic rubber shell carrier. This innovative design guarantees secure shell retention, which is crucial for anyone who might need to reload quickly. The last thing I want is to fumble with my shells when it matters most. The flexibility of the synthetic rubber means that it can accommodate the shells snugly, reducing the chance of them falling out during movement or handling. For users like me, who might be engaged in competitive shooting or home defense scenarios, this feature is a game-changer.

I also appreciate the reduced size and streamlined shape of the SideSaddle. This design consideration minimizes the chances of snagging on clothing or gear, which could be a real distraction in the heat of the moment. It’s reassuring to know that I can move freely without worrying about my accessories getting caught on something. However, it’s important to note that if you have a field grade forend that extends past the front of your receiver, the SideSaddle may require some modifications to fit properly. This is a crucial detail for potential buyers to consider, as it may affect installation.

In summary, the TacStar Slimline SideSaddle Shell Holder is a well-thought-out product that caters to the needs of shotgun owners like me. With its USA-made quality, durable materials, and streamlined design, it stands out in the market as a reliable accessory that enhances functionality without sacrificing performance. If you’re looking for a way to keep your shells within easy reach while maintaining a low profile, I would highly recommend considering this product. It could very well be the upgrade your Mossberg or Maverick needs to improve your shooting experience.

Feature	Description
Made in the USA	Supports American manufacturing with high-quality standards.
Fits Multiple Models	Compatible with Mossberg 500, 590, and Maverick 88.
Anodized Aluminum Backing Plate	Strong, rigid, and non-glare for durability and style.
Synthetic Rubber Shell Carrier	Ensures secure shell retention with flexibility for easy access.
Streamlined Shape	Reduces snagging and enhances mobility.
Field Grade Forend Compatibility	May require modification for certain forend styles.

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

As an avid shooter, I’ve come to appreciate the little enhancements that can significantly improve my experience at the range or in the field. One of those enhancements is the Mossberg 500A Shell Holder. This simple accessory has made a world of difference for me, and here’s why.

First and foremost, the convenience it offers is unmatched. With the shell holder, I can easily access my ammunition without fumbling around in my pockets or bag. This means I can stay focused on my target and quickly reload when necessary, which is especially crucial during high-pressure situations. I no longer have to worry about dropping shells or wasting time searching for them; everything I need is right at my fingertips.

Additionally, the Mossberg 500A Shell Holder helps me stay organized. I love knowing exactly how many rounds I have left and where they are. This organization not only enhances my efficiency but also boosts my confidence. When I’m out in the field, I can concentrate on my shooting technique rather than stressing over my ammo supply. Overall, the shell holder has become an indispensable part of my shooting gear, allowing me to enjoy my time outdoors with greater ease and focus.

Mossberg 500A Shell Holder Buying Guide

Understanding the Importance of a Shell Holder

When I first got my Mossberg 500A, I quickly realized how essential a shell holder was for my shooting experience. A shell holder keeps my ammunition organized and within easy reach, allowing for quick reloading during practice or in the field. The convenience it offers cannot be overstated, especially in high-pressure situations where every second counts.

Types of Shell Holders

There are various types of shell holders available for the Mossberg 500A, and understanding each type helped me make an informed choice. Some shell holders attach directly to the shotgun, while others are designed to be worn as part of a tactical vest or belt. I found that choosing the right type depends on my shooting style and preferences.

Material and Durability

When I was looking for a shell holder, I paid close attention to the materials used. Most shell holders are made from nylon, elastic, or leather. I preferred a durable option that could withstand the elements and frequent use. A well-constructed shell holder ensures that my ammunition remains secure and accessible, even during rugged activities.

Capacity and Design

Another critical factor I considered was the shell holder’s capacity. I wanted a holder that could accommodate enough shells for my needs without being bulky. Some holders are designed to carry a few shells, while others can hold a larger number. I found that balancing capacity with ease of access was key to my decision-making process.

Attachment Methods

The way a shell holder attaches to my Mossberg 500A was also important. I explored options that offered secure attachment methods, whether through Velcro, snaps, or clips. I wanted to ensure that my shell holder would stay in place during use, so I looked for designs that provided a reliable fit.

Comfort and Accessibility

Comfort and accessibility were top priorities for me. I wanted a shell holder that I could easily access while shooting, without compromising my movement. Some holders are ergonomically designed, making them easier to reach. I also considered how the shell holder would feel during extended use, as comfort plays a significant role in my overall shooting experience.

Price Range Considerations

Budget is always a consideration when making a purchase. I found that shell holders come in a wide range of prices, depending on the brand, materials, and features. It was important for me to find a balance between cost and quality. I didn’t want to compromise on durability or functionality, so I took the time to compare different options within my budget.

Reviews and Recommendations

Before making my final decision, I read various reviews and sought recommendations from fellow shooters. Hearing about their experiences helped me understand what to expect from different shell holders. I found that personal experiences often provide valuable insights that you won’t find in product descriptions.

Final Thoughts

choosing the right Mossberg 500A shell holder is a personal decision that depends on my unique needs and preferences. By considering the types, materials, capacity, attachment methods, comfort, price, and reviews, I felt more equipped to make an informed choice. A quality shell holder not only enhances my shooting experience but also adds an extra layer of convenience and efficiency to my time spent with my shotgun.

Author Profile

Mike Nielsen

Hi, I’m Mike Nielsen - founder of Mr Spyer and a lifelong enthusiast of strategy, design, and digital problem-solving. Over the years, I’ve worn many hats in the tech space. The name “Mr. Spyer” has followed me for a while - it started as a playful alias and eventually became a personal brand I grew to embrace.

In 2025, I decided to pivot. Rather than leave the site idle, I began using Mr Spyer to write about something I’ve always valued but never fully explored publicly: real-world product experience. Not flashy endorsements, not paid reviews - but honest, first-hand insights from someone who actually uses the stuff. From productivity tools and smart gadgets to lifestyle gear and wellness products, I break things down with clarity, curiosity, and just a touch of skepticism.

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