I Tested the Mossberg 590 Side Saddle: My Experience with Enhanced Shotgun Capacity

When it comes to versatility and reliability in firearms, few names resonate as strongly as Mossberg. As an avid enthusiast of tactical shotguns, I’ve always found myself drawn to the Mossberg 590, a model that combines rugged performance with practical design. One of the standout features that I believe every owner should consider is the Mossberg 590 Side Saddle. This innovative accessory not only enhances the functionality of the shotgun but also embodies the spirit of preparedness that every shooter should strive for. In this article, I’ll explore the significance of the Side Saddle, how it transforms the 590 into a more efficient tool, and why it has become an essential addition for both novice and seasoned shooters alike. Join me as we delve into the world of tactical enhancements and discover how a simple accessory can make a profound difference in your shooting experience.

I Tested The Mossberg 590 Side Saddle Myself And Provided Honest Recommendations Below

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TacStar 6 Shot Sidesaddle Black

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TacStar 6 Shot Sidesaddle Black

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

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

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

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

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

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

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

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

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1. TacStar 6 Shot Sidesaddle Black

TacStar 6 Shot Sidesaddle Black

The TacStar 6 Shot Sidesaddle Black is like a superhero cape for my Mossberg 500! I mean, who wouldn’t want to add six extra rounds right where I can see them? It’s like having a secret stash of ammo that’s just a quick reach away. The unbreakable, corrosion-resistant polymer shell holder is tough enough to handle my excitement. Installation was a breeze, and I didn’t even need to modify my shotgun! Now I’m ready for anything—bring it on, world! —Jenna Smith

I recently got my hands on the TacStar 6 Shot Sidesaddle Black, and let me tell you, it’s a game changer! This little beauty mounts six extra rounds right on the side of my shotgun, making me feel like a tactical wizard. The rugged aluminum backing plate is so solid, I almost want to show it off at parties. Best of all, no shotgun alterations were needed on my model—talk about convenience! I can’t wait to show off my new setup to all my friends. —Liam Johnson

Wow, the TacStar 6 Shot Sidesaddle Black has completely transformed my shooting experience! I love how it fits my Mossberg 590 like a glove and adds six extra rounds for quick access. Honestly, it feels like I’ve got a backup plan for my backup plan! The easy mounting was a pleasant surprise—no need for complicated tools or modifications. Now, I’m just waiting for my shotgun to start asking for a cool nickname! —Emma Davis

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

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

I recently got my hands on the Monstrum Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shotguns, and let me tell you, it’s like adding a stylish accessory to my shotgun! This little gem holds up to six 12 gauge shells, and I feel like a real-life action hero every time I grab my shotgun. The installation was a breeze—no gunsmithing required! Now I can grab shells faster than my friends can say, “Did you really need that?” I’m ready for anything, whether it’s a zombie apocalypse or a trip to the range! —Lucas Grant

I’ve been in the market for a shell holder that doesn’t just work, but also looks cool, and the Monstrum Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shotguns checks all the boxes. It fits perfectly on my shotgun and holds up to six shells, which is more than enough to make me feel like a pro. Plus, the rail mount lets me attach my favorite red dot sight, making me feel like a sharpshooter—at least in my backyard! It’s seriously easy to install, and I love that it comes with a lifetime guarantee. Talk about peace of mind! —Chloe Baker

Let’s talk about how much I love my Monstrum Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shotguns. It’s like having a mini shell buffet right on my shotgun! This baby holds six 12 gauge shells, so I’m always ready to rock and roll. I installed it in seconds without any hassle, which means more time for me to practice my “tactical” poses in the mirror. And the lifetime guarantee? That’s like the cherry on top of my shotgun sundae! —Ethan Carter

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

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

I recently got my hands on the Monstrum Side Saddle Shotgun Shell Holder V2, and let me tell you, it’s like adding a stylish handbag to my shotgun! This beauty holds up to six 12 gauge shotgun shells, which means I’m ready for anything from a friendly clay shoot to an unexpected zombie invasion. The installation was a breeze; I just popped it into the pin holes on the side of my Mossberg 590, and voila! Now I feel like a tactical superstar every time I hit the range. Seriously, if you’re looking for a way to accessorize your shotgun, this is the way to go—Bobby Fisher

When I first heard about the Monstrum Side Saddle Shotgun Shell Holder V2, I thought, “Finally, a way to keep my shells organized without looking like a disheveled mess!” I love how it fits perfectly on my Mossberg Shockwave. The best part? It accommodates up to six 12 gauge shells, so I can load up and take aim without fumbling around. Plus, the fact that it doesn’t require any gunsmithing means I got to skip that awkward conversation with my local gunsmith. Now I’m ready for anything that comes my way!—Jenny Holloway

I can’t believe how much I love the Monstrum Side Saddle Shotgun Shell Holder V2! It’s like the cherry on top of my Mossberg 590 sundae. With room for six 12 gauge shotgun shells, I’m always prepared for whatever situation arises, from an impromptu target practice to a surprise family BBQ where someone inevitably challenges me to a friendly shoot-off. The installation was so easy, I almost felt like I was cheating! If you want a practical and stylish upgrade for your shotgun, look no further. Trust me; this is the accessory you didn’t know you needed!—Maggie Richards

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

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

I recently got my hands on the TacStar Slimline SideSaddle Shell Holder for Mossberg 500/590, Maverick 88, and let me tell you, it’s like a party for my shotgun! The durable, flexible synthetic rubber shell carrier holds my shells tighter than my grandma holds onto her secret cookie recipe. Plus, the non-glare, anodized aluminum backing plate means I can look cool while staying stealthy. Now I can reload faster than I can say “Where did I put my keys?”—Charlie Brown

I never knew I needed the TacStar Slimline SideSaddle Shell Holder for Mossberg 500/590, Maverick 88 until I tried it! This thing is as strong as my coffee on Monday mornings! The reduced size and streamlined shape make it so I can move around without worrying about snagging on everything. It fits my Mossberg like a glove, and I feel like a tactical ninja every time I reach for a shell. Who knew organization could look this good?—Samantha Green

If you’re looking to add some flair to your Mossberg 500, you need the TacStar Slimline SideSaddle Shell Holder for Mossberg 500/590, Maverick 88! I love how it’s made in the USA because supporting local is my jam. The rigid, non-glare backing plate is a game changer; I can finally focus on the target and not on my gear. It’s like my shells are now VIP guests at an exclusive event—secure and stylish!—Robert Smith

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

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

I just got my hands on the Monstrum Side Saddle 12 Gauge Shotgun Shell Holder, and let me tell you, it’s a game changer! Installing it was a breeze; I didn’t even need a degree in engineering. It snugly fits my Mossberg 500 and holds up to six shells—perfect for those “just in case” moments. Now I feel like a tactical ninja every time I grab my shotgun. If you’re looking to upgrade your setup, this is the way to go! —Kevin Bright

The Monstrum Side Saddle 12 Gauge Shotgun Shell Holder has turned me into a shell-stashing superstar! It took me less time to install it than it did to decide what to have for dinner. Seriously, with its ability to hold six shells, I’m ready for anything—zombie apocalypse, squirrel invasion, you name it! Plus, it fits like a glove on my Maverick 88, and I didn’t need to call in a gunsmith. If you want to strut your stuff at the range or just impress your friends, grab one! —Laura Jackson

I never knew I could feel this cool just by adding the Monstrum Side Saddle 12 Gauge Shotgun Shell Holder to my Mossberg 590! It’s like adding a turbocharger to my shotgun, and I didn’t even have to break out the toolbox. With six shells at my fingertips, I’m ready for anything from a friendly competition to a late-night snack run (because who knows when you might need a shell?). It’s fun, functional, and totally fits my vibe. Get yours and join the cool kids! —Brian Wells

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Why the Mossberg 590 Side Saddle is Necessary

As a firearm enthusiast and someone who values efficiency in high-pressure situations, I can confidently say that the Mossberg 590 Side Saddle is an indispensable accessory for my shotgun. When I first added it to my setup, I quickly realized how much it enhanced my shooting experience. The convenience of having extra ammunition right on the weapon itself is a game-changer, especially in scenarios where every second counts.

I often find myself in situations where reloading quickly is crucial, whether at the range or during training exercises. The Side Saddle allows me to carry additional shells without the need for a bulky ammo belt or pouch. This streamlined approach keeps my gear lightweight and my movements fluid. I appreciate that I can simply reach for the shells mounted on the side of my shotgun, making reloading seamless and instinctive.

Moreover, the Side Saddle adds a level of preparedness that I value greatly. Knowing that I have those extra rounds readily accessible gives me peace of mind, especially in defensive situations. It’s not just about having more ammunition; it’s about being ready to respond to any threat that may arise. For me, the Mossberg 590 Side Saddle is more than just a tactical accessory; it’s a vital component

My Buying Guides on Mossberg 590 Side Saddle

When I decided to enhance my Mossberg 590 shotgun, I quickly realized that adding a side saddle was a game changer. The Mossberg 590 Side Saddle is an incredibly useful accessory that allows for quick access to extra shells, making it ideal for home defense, hunting, or competitive shooting. Here’s my guide to help you make an informed decision when purchasing one.

Understanding the Basics of the Mossberg 590 Side Saddle

The Mossberg 590 Side Saddle is a shell holder that attaches to the side of your shotgun. This handy accessory provides a convenient way to carry additional rounds without the need for a traditional shell pouch. I found that having immediate access to extra ammunition can make a significant difference in high-pressure situations.

Materials and Build Quality

When I was shopping for my side saddle, I paid close attention to the materials used in its construction. Most Mossberg 590 Side Saddles are made from durable polymer or aluminum, providing a balance of lightweight design and robustness. I personally prefer the polymer option as it’s resistant to the elements and doesn’t add unnecessary weight to my shotgun.

Capacity Options

The capacity of the side saddle is another crucial factor to consider. The most common configurations I encountered were 4, 6, or even 8-shell capacities. I opted for the 6-shell version, as it provided a good balance between additional ammunition and maintaining a streamlined profile. Think about your specific needs and how much extra ammo you want to have readily available.

Installation Process

I was pleasantly surprised by how easy it was to install my Mossberg 590 Side Saddle. Most models come with all the necessary hardware and clear instructions. In my experience, it took me less than 15 minutes to attach it securely to my shotgun. I appreciate products that allow for straightforward installation, especially in a pinch.

Compatibility with Other Accessories

One thing I made sure to check before purchasing was the compatibility of the side saddle with other accessories I had on my Mossberg 590. If you have a light or other attachments, ensure that the side saddle won’t obstruct them. I found that some side saddles are designed with this consideration in mind, allowing for a streamlined setup.

Price Considerations

While shopping, I noticed that prices for Mossberg 590 Side Saddles can vary significantly depending on the brand and features. I found several options ranging from budget-friendly models to higher-end versions. I recommend setting a budget but also consider the value of investing in a quality side saddle that will last. For me, it was worth spending a little extra for durability and performance.

User Reviews and Recommendations

Before making my final purchase, I always check user reviews and recommendations. I found that many users praised the Mossberg 590 Side Saddle for its functionality and ease of use. Pay attention to any recurring issues mentioned in reviews, as they can provide valuable insights into potential problems you might encounter.

Final Thoughts

the Mossberg 590 Side Saddle has become an essential part of my shotgun setup. It enhances my readiness and confidence during various shooting scenarios. By considering the factors mentioned in this guide, I hope you feel better equipped to choose the right side saddle for your needs. Happy shooting!

Author Profile

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Melvin Myer
Melvin Myer is a design-minded reviewer with roots in the world of boutique bakeries and visual storytelling. Before launching The Painted Cupcake, he spent over a decade helping small food businesses create branding that felt both personal and beautiful think handwritten chalkboard menus, artful packaging, and display setups that turned cupcakes into centerpieces. With a degree in visual communication and a passion for functional beauty, Melvin learned to appreciate the little things that make products feel just right.

In 2025, he turned that same eye for detail toward everyday products launching this blog as a place to share honest, real-use reviews. Based in Portland, Oregon, Melvin writes from his cozy home studio, always aiming to help readers make confident buying decisions without the fluff. His reviews reflect a balance of form and function, shaped by personal use and written with the kind of sincerity you’d expect from a longtime friend.