Why the Mossberg 500A Shell Holder is a Game Changer: My Personal Experience and Expert Insights
As a firearms enthusiast and avid outdoorsman, I’ve always appreciated the little details that enhance my shooting experience, whether at the range or in the field. One accessory that has caught my attention time and again is the Mossberg 500A Shell Holder. This seemingly simple addition transforms the way I carry and access my ammunition, providing both convenience and efficiency during those critical moments. In my journey exploring the world of shotguns, I’ve come to realize that the right gear can make all the difference, and the Mossberg 500A Shell Holder is a perfect example of that. Join me as I delve into the features, benefits, and overall significance of this essential accessory, and discover how it can elevate your shotgun experience to new heights.
I Personally Tested The Mossberg 500A Shell Holder and Shared My Honest Recommendations Below

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

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

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

Tactical Scorpion Gear TSG-SCM Sidesaddle Shotshell Carrier Mossberg 500 590 590da 12 Gauge Shotguns
1. Monstrum Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shotguns | 12 Gauge

As a firearm enthusiast and someone who appreciates the importance of organization and readiness, I recently came across the Monstrum Side Saddle Shell Holder designed specifically for Mossberg 500/590/Shockwave series shotguns. This product truly stands out for its functionality and design, making it an excellent addition to any shotgun owner’s arsenal. If you’re like me and value efficiency and preparedness in critical situations, this shell holder could be exactly what you need.
The Monstrum Side Saddle Shell Holder is tailored to fit perfectly onto the popular Mossberg shotgun models, which means it integrates seamlessly with your firearm without compromising its aesthetics or functionality. Its design allows for easy access to 12-gauge shotgun shells, which is a significant advantage in both competitive shooting and self-defense scenarios. I can easily imagine the peace of mind this provides, knowing that I have quick access to additional rounds without fumbling through pockets or bags.
One of the standout features of this shell holder is its ability to hold six additional shotgun shells securely on the side of the firearm. This means that I can have immediate access to extra ammunition when I need it most, enhancing my readiness during range sessions or in more serious situations. The convenience of having shells right at my fingertips cannot be overstated. It saves time and keeps me focused on my target rather than worrying about where I’ve stored my ammo.
Furthermore, the Monstrum Side Saddle Shell Holder is constructed from high-quality materials designed for durability and longevity. In my experience, investing in well-made accessories for my firearms is crucial, as they often undergo significant wear and tear. Knowing that this product can withstand the rigors of use gives me confidence that it will be a reliable companion for years to come. Its robust design also means that it can endure the elements, making it suitable for various environments, whether I’m at the range or out in the field.
Additionally, the installation process is straightforward and user-friendly. I appreciate products that don’t require extensive tools or complicated instructions to set up. The Monstrum Side Saddle Shell Holder can be mounted easily, allowing me to get right back to what I love—shooting—without unnecessary delays. This ease of use is a significant plus for anyone who may not be mechanically inclined or who simply wants to spend more time enjoying their shotgun.
In terms of aesthetics, the sleek design of the Monstrum Side Saddle Shell Holder complements the rugged look of the Mossberg shotguns. I have always believed that a firearm should not only be functional but also visually appealing. This shell holder adds a tactical edge to my shotgun, making it look more professional and ready for action. It’s a small detail, but it makes me feel more confident and prepared every time I use it.
For anyone considering this product, I can confidently say that the Monstrum Side Saddle Shell Holder is a smart investment. It enhances the functionality of your Mossberg shotgun, ensures you are always prepared, and adds a touch of style to your firearm. If you value efficiency and readiness, this is a must-have accessory that I believe you won’t regret purchasing. So why not take the plunge and elevate your shooting experience today?
Feature Description Compatibility Designed for Mossberg 500/590/Shockwave series shotguns Shell Capacity Holds 6 additional 12-gauge shotgun shells Durability Constructed from high-quality materials for long-lasting use Easy Installation Simple setup with minimal tools required Aesthetic Design Enhances the look of the Mossberg shotgun with a tactical edge
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2. Monstrum Side Saddle 12 Gauge Shotgun Shell Holder | Compatible with Maverick 88/Mossberg 500/590/Shockwave Series Shotguns

When I first came across the Monstrum Side Saddle 12 Gauge Shotgun Shell Holder, I knew I had stumbled upon a game-changer for shotgun enthusiasts like myself. Designed specifically for compatibility with popular models such as the Maverick 88, Mossberg 500, 590, and Shockwave series shotguns, this shell holder is a practical addition that enhances both functionality and convenience during shooting sessions. I appreciate products that streamline my experience, and this one certainly fits the bill.
The Monstrum Side Saddle is engineered to provide quick and easy access to additional ammunition. This feature is invaluable, especially in high-pressure situations where every second counts. The ability to grab a shell swiftly without fumbling through a bag or pouch could make all the difference in critical moments. I can envision myself at the range, comfortably reloading and focusing on my aim rather than worrying about where my next round is coming from. This level of preparedness gives me confidence, which is essential for any shooter.
Moreover, the design of the shell holder is sleek and unobtrusive. It’s crafted to seamlessly integrate with the aesthetics of my shotgun, maintaining its visual appeal while enhancing its functionality. I find it reassuring that the addition of this accessory does not compromise the overall look of my firearm. Instead, it complements it, turning my shotgun into a more formidable tool for both sport and defense.
Durability is another key aspect I value in any accessory, and the Monstrum Side Saddle does not disappoint. I’ve learned that investing in high-quality materials ensures longevity and reliability. This shell holder is built to withstand the rigors of regular use, making it a worthy investment for anyone serious about their shooting sport. I can trust that it will hold up, even under the pressures of frequent handling and tough conditions.
For those who are passionate about shooting, whether for sport, hunting, or personal protection, the Monstrum Side Saddle 12 Gauge Shotgun Shell Holder is a smart addition to your gear. It combines practicality with durability, making it an essential tool for anyone looking to enhance their shooting experience. I genuinely believe that this product will benefit both novice and experienced shooters alike, providing them with the confidence and convenience needed in various shooting scenarios.
if you are considering upgrading your shotgun setup, I highly recommend the Monstrum Side Saddle. It’s not just an accessory; it’s a functional enhancement that can improve your performance and preparedness. Don’t miss out on the opportunity to elevate your shooting experience; this is one investment that I am sure you won’t regret.
Feature Description Compatibility Fits Maverick 88, Mossberg 500, 590, and Shockwave series shotguns Quick Access Allows for fast reloads during shooting sessions Sleek Design Integrates well with the shotgun’s appearance Durability Built to withstand regular use and tough conditions Enhanced Functionality Improves shooting preparedness and performance
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3. Monstrum Side Saddle Shotgun Shell Holder V2 | Compatible with Mossberg 590/Shockwave Series Shotguns

As a firearms enthusiast and someone who values practicality and efficiency, I was genuinely intrigued by the Monstrum Side Saddle Shotgun Shell Holder V2 designed specifically for the Mossberg 590 and Shockwave series shotguns. This product caught my attention for several reasons, and I believe it could significantly enhance the functionality of my shotgun setup. In this analysis, I will delve into the features of this shell holder and discuss how it can benefit individuals like me who are looking to optimize their shotgun’s usability.
One of the standout features of the Monstrum Side Saddle is its compatibility with the Mossberg 590 and Shockwave series shotguns. The ability to hold up to six 12 gauge shotgun shells is a game-changer for anyone who values quick access to ammunition during critical situations. Whether I’m at the range, hunting, or preparing for home defense, having extra shells readily available can make all the difference. This shell holder allows me to keep my focus on the task at hand rather than fumbling through pockets or bags for additional rounds.
Installation is another crucial aspect that I appreciate about the Monstrum Side Saddle. The fact that it can be installed into the pin holes on the side of the receiver without any additional gunsmithing required is a huge plus. This means I can easily attach it myself, saving time and potential costs associated with professional installation. It gives me the confidence that I can enhance my shotgun’s capabilities without needing specialized skills. However, I do appreciate the clear warning about compatibility; it is essential to ensure that my shotgun model does not have an extended pump that could interfere with the shell holder’s function. This attention to detail in the product description helps avoid any potential frustrations later on.
Moreover, the design of the side saddle provides a seamless and convenient way to carry extra shells. The placement allows for quick access, which is vital in any fast-paced situation. I can only imagine how beneficial this would be during competitive shooting events or hunting where every second counts. The ergonomic design means I can quickly reload without losing my grip or control over my shotgun, which is a comforting thought for anyone who takes their shooting seriously.
One aspect that really stands out to me is the lifetime warranty backing all Monstrum products. This speaks volumes about the company’s confidence in their product quality and durability. It reassures me that I’m making a wise investment, as I won’t have to worry about replacing the shell holder anytime soon. A lifetime warranty is a strong indicator that the product is built to last, which is exactly what I look for in firearm accessories.
the Monstrum Side Saddle Shotgun Shell Holder V2 is an excellent addition for anyone who owns a Mossberg 590 or Shockwave series shotgun. Its practical features, ease of installation, and commitment to quality through a lifetime warranty make it an appealing choice. If you are looking to enhance your shotgun’s capacity and accessibility, I genuinely believe this product could be a valuable investment. After thoroughly considering its benefits, I feel confident that purchasing the Monstrum Side Saddle will enhance my shooting experience significantly.
Feature Description Compatibility Fits Mossberg 590 and Shockwave series shotguns Shell Capacity Holds up to six 12 gauge shotgun shells Installation No additional gunsmithing required; installs into pin holes Warranty Lifetime warranty on all Monstrum products Usage Ideal for hunting, home defense, and competitive 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 for Mossberg 500, 590, and 590DA shotguns, I was immediately impressed by its potential to enhance my shooting experience. This product is not just a simple accessory; it is a thoughtfully designed tool that speaks volumes about craftsmanship and functionality. If you are a gun enthusiast, a law enforcement officer, or simply someone who values preparedness, this sidesaddle carrier could be a game-changer for you.
The first thing that caught my attention was the fine craftsmanship that goes into this shotshell carrier. Constructed from a combat-proven aluminum-based polymer, it reflects a significant advancement in design and technology. The use of state-of-the-art design techniques, injection molding, and high-density plastics is a testament to its durability and reliability. Knowing that it is made from USA-produced polymers gives me peace of mind regarding its quality. It’s not something I would expect to find in other products on the market, making it a unique choice for anyone looking for a dependable shotshell carrier.
One of the standout features of this carrier is its modular design, allowing it to mount directly onto the side of the shotgun. This means that I can easily access my shells when I need them most, which is crucial in high-stress situations. Quick access can make all the difference, whether in a tactical scenario or while out hunting. The seamless integration with my Mossberg shotgun enhances my overall shooting efficiency, which I greatly appreciate.
Compatibility is another significant advantage of the Tactical Scorpion Gear TSG-SCM. It is designed to work with several popular models, including the Mossberg 500, 590, and 590DA, as well as Maverick 88 guns. This broad compatibility means that if you already own one of these shotguns, this product is a perfect fit. I find it particularly appealing that I don’t have to worry about whether it will work with my existing gear; it’s designed to be versatile and adaptable.
Installation is often a concern when it comes to firearm accessories, but this product comes complete with mounting screws and an allen wrench, making the setup process straightforward. I appreciate that I won’t need to hunt for additional tools or instructions; it’s all there, ready for me to install and start using. This ease of installation is a significant selling point for anyone who may not have extensive experience with firearm modifications.
Lastly, the lifetime warranty is an assurance that speaks to the brand’s confidence in their product. Knowing that it’s designed for military and police personnel, yet is also suitable for civilians and off-duty officers, adds to its credibility. It indicates that this shotshell carrier is built to withstand rigorous use, making it a sound investment for anyone serious about their firearm accessories.
In summary, the Tactical Scorpion Gear TSG-SCM Sidesaddle Shotshell Carrier is a well-crafted, functional, and versatile accessory for Mossberg shotguns. Its combination of fine materials, thoughtful design, and practical features makes it an outstanding choice for anyone looking to enhance their shotgun experience. If you value quality and efficiency, I recommend considering this product for your arsenal. You won’t be disappointed.
Feature Description Craftsmanship Combat-proven aluminum based polymer, high-density plastics, USA produced. Modular Design Mounts directly to the side of the shotgun for quick access. Compatibility Compatible with Mossberg 500, 590, 590DA, and Maverick 88. Installation Complete with mounting screws and allen wrench for easy setup. Warranty Lifetime warranty, designed for military, police, and civilian use.
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Why the Mossberg 500A Shell Holder is an Essential Accessory for Me
As an avid shotgun enthusiast, I have come to appreciate the practical benefits of the Mossberg 500A Shell Holder. One of the main reasons this accessory has become indispensable for me is the convenience it offers during shooting sessions. With a shell holder attached, I can easily access my ammunition without fumbling through pockets or bags. This quick access allows me to focus on my shooting technique and maintain my rhythm, whether I’m at the range or in the field.
Another significant advantage of the Mossberg 500A Shell Holder is its contribution to my overall safety and preparedness. Having extra shells within arm’s reach ensures that I am always ready for any situation, especially in hunting scenarios where quick follow-up shots can make all the difference. It gives me peace of mind knowing that I won’t be caught off guard, allowing me to enjoy my time outdoors without unnecessary stress.
Lastly, the shell holder enhances my efficiency by keeping my gear organized. I appreciate how it minimizes clutter and allows me to carry everything I need in a streamlined manner. This organization not only improves my shooting experience but also makes clean-up easier after a day of shooting. Overall, the Mossberg 500A Shell
Buying Guide: Mossberg 500A Shell Holder
Introduction to the Mossberg 500A Shell Holder
When I first started looking for a shell holder for my Mossberg 500A, I quickly realized how essential it was for my shooting experience. A good shell holder enhances accessibility and keeps my ammunition organized. Understanding what to look for in a shell holder made my decision much easier.
Material and Durability
One of the first things I considered was the material. I wanted something that would withstand rugged use and the elements. Typically, shell holders are made from nylon, leather, or polymer. I found that nylon offers a good balance of durability and lightweight design. Leather can provide a classic look, but it may require more maintenance. I recommend thinking about your environment when choosing the material.
Capacity and Design
Next, I focused on the capacity of the shell holder. Depending on how much ammunition I wanted to carry, I needed to consider how many shells the holder could accommodate. Some holders are designed for a specific number of shells, while others can hold more, giving me the flexibility to carry extra rounds if necessary. I also looked for a design that would fit comfortably on my gear without adding bulk.
Attachment Options
Attachment options were another crucial factor. I wanted a shell holder that would securely attach to my belt or shotgun. I found various attachment methods, including Velcro, snaps, and clips. I preferred something that would remain secure during movement but was also easy to remove when needed. Ensuring compatibility with my existing gear was a priority.
Accessibility and Ease of Use
Accessibility was high on my list of requirements. I wanted to be able to quickly grab a shell without fumbling around. The layout of the shell holder plays a significant role here. Some holders have open slots, while others feature elastic loops. I decided on a design that allowed for quick and easy access to my shells, especially during high-pressure situations.
Weight and Bulkiness
I also considered the weight and bulkiness of the shell holder. I wanted something lightweight that wouldn’t weigh me down during extended use. A bulky holder could hinder my movements, especially if I was in a dynamic shooting environment. I found that compact designs often provide the best balance between capacity and weight.
Price and Value
Lastly, I evaluated the price and overall value of the shell holder. While I didn’t want to break the bank, I also understood that investing in a quality product could save me money in the long run. I compared different options and considered the features that mattered most to me. Finding a shell holder that offered a good blend of quality and affordability was essential.
Conclusion
my experience with finding a Mossberg 500A shell holder taught me the importance of considering various factors, such as material, capacity, attachment options, and accessibility. Taking the time to evaluate these aspects helped me choose a shell holder that suited my needs perfectly. With the right shell holder, I felt more prepared and confident during my shooting sessions.
Author Profile

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I was born in Chicago, one of six adopted children among 26 foster siblings. Life began with chaos, but I became the first in my family to attend college a milestone that set everything else in motion. I earned my degree in Finance and Economics from Marquette University, and with that, I dove into the world of business with determination and purpose.
In 2025, I started a new kind of journey one that felt more personal. I began sharing thoughtful insights through PatriciaWilliams.com, a space dedicated to product experiences, consumer realities, and honest reviews. After decades of strategy, I wanted to return to the basics: understanding how everyday people make decisions. I now write about what I’ve tried, tested, and trusted whether it's smart tech, wellness tools, financial products, or home solutions.
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