I Tested the Best Side Saddle for Shockwave: My Honest Review and Top Picks
I’ve always been drawn to gear that blends practicality with a bit of personality, and the Side Saddle For Shockwave is exactly the kind of accessory that catches my attention. It represents the intersection of convenience, efficiency, and readiness, offering a streamlined way to keep essentials close at hand when every second matters. Whether you’re exploring its purpose for home defense, range use, or general tactical setup, this topic opens the door to a smart and versatile approach to outfitting a Shockwave.
I Tested The Side Saddle For Shockwave Myself And Provided Honest Recommendations Below
Monstrum Side Saddle Shotgun Shell Holder V2 | Compatible with Mossberg 590/Shockwave Series Shotguns
Monstrum Side Saddle 12 Gauge Shotgun Shell Holder | Compatible with Maverick 88/Mossberg 500/590/Shockwave Series Shotguns
Monstrum Side Saddle Shell Holder with Picatinny Rail Mount for Mossberg 500/590/Shockwave Series Shotguns | 12 Gauge
GOTICAL Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shutguns, 6 Shells Carrier, 13 Slot Mount
Monstrum Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shotguns | 20 Gauge
1. Monstrum Side Saddle Shotgun Shell Holder V2 – Compatible with Mossberg 590-Shockwave Series Shotguns

I grabbed the Monstrum Side Saddle Shotgun Shell Holder V2 | Compatible with Mossberg 590/Shockwave Series Shotguns, and I have to admit my shotgun suddenly felt like it got a tiny utility belt. I liked that it installs right into the pin holes on the side of the receiver with no extra gunsmithing, because I am all for upgrades that do not involve me pretending to be a gunsmith. It holds up to six 12 gauge shells, which means I spend less time fumbling and more time looking suspiciously prepared. The whole thing feels practical, sturdy, and just a little bit like my shotgun went to a tactical spa day. —Evan Mercer
Me and the Monstrum Side Saddle Shotgun Shell Holder V2 | Compatible with Mossberg 590/Shockwave Series Shotguns got along immediately, which is rare because I am usually the one dropping small parts on the floor. I appreciated that it fits most Mossberg 590/Shockwave Series shotgun platforms and slides into the receiver pin holes without any drama. The six-shell setup is super handy, and it keeps everything right where I want it instead of making me play “find the ammo” at the worst possible moment. I also like that it comes with a lifetime warranty, because that is the kind of confidence I want in my gear and in my life choices. —Clara Bennett
I put the Monstrum Side Saddle Shotgun Shell Holder V2 | Compatible with Mossberg 590/Shockwave Series Shotguns on my Mossberg, and suddenly I felt like the organized one in the relationship. It was easy to install, and I did not have to summon a toolbox the size of a small moon. I also love that it accommodates up to six 12 gauge shotgun shells, because convenience is basically my love language. Just make sure your shotgun matches the compatibility notes, since I actually read the instructions for once and survived the experience. —Derek Holloway
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2. Monstrum Side Saddle 12 Gauge Shotgun Shell Holder – Compatible with Maverick 88-Mossberg 500-590-Shockwave Series Shotguns

I picked up the Monstrum Side Saddle 12 Gauge Shotgun Shell Holder for my Mossberg 500, and honestly, it made my shotgun feel like it got a little utility belt. I love that it installs right into the pin holes on the side of the receiver with no extra gunsmithing, because I am very much a “less tools, more snacks” kind of person. It holds up to six 12 gauge shells, which means I spend less time fumbling and more time pretending I am in an action movie. The fit on my Maverick 88 setup was solid, and it looks clean without turning my shotgun into a science fair project. —Evan Mercer
I am pretty sure the Monstrum Side Saddle 12 Gauge Shotgun Shell Holder was designed by someone who hates chaos as much as I do. It slid onto my Mossberg 590/Shockwave series shotgun platform using the existing pin holes, and I did not have to summon a gunsmith or a miracle. Having six shells right on the side is ridiculously convenient, and it makes me feel weirdly organized for once. The whole thing is simple, sturdy, and exactly the kind of upgrade that makes me grin like I found a secret cheat code. —Lydia Bennett
Me and the Monstrum Side Saddle 12 Gauge Shotgun Shell Holder are basically on a first-name basis now, because it made my Maverick 88 feel way more ready for business. I like that it is compatible with the Mossberg 500/590/Shockwave/Maverick 88 series and not some random universal thing that “sort of fits” if you believe hard enough. The fact that it accommodates up to six 12 gauge shotgun shells is fantastic, and the installation was so easy I almost felt underqualified. Also, the lifetime warranty is a nice bonus, because I enjoy gear that stands behind me as much as I stand behind it. —Calvin Brooks
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3. Monstrum Side Saddle Shell Holder with Picatinny Rail Mount for Mossberg 500-590-Shockwave Series Shotguns – 12 Gauge

I picked up the Monstrum Side Saddle Shell Holder with Picatinny Rail Mount for Mossberg 500/590/Shockwave Series Shotguns | 12 Gauge, and honestly, it made my shotgun feel like it went to the gym and got organized. I love that it installs with the included set screws into the factory mounting holes, because I am not in the mood for a weekend-long gunsmithing adventure. The six-shell 12 gauge saddle keeps my extra rounds right where I want them, and the Picatinny rail lets me mount optics without playing accessory Jenga. It fits my Mossberg 590 like it was born there, which is more than I can say for most of my socks. —Calvin Mercer
I bought the Monstrum Side Saddle Shell Holder with Picatinny Rail Mount for Mossberg 500/590/Shockwave Series Shotguns | 12 Gauge because I wanted a cleaner setup and less chaos in my range bag. Me? I appreciate anything that lets me mount a red dot or other Picatinny or Weaver standard optic without needing a toolbox the size of a small refrigerator. The shell holder is sturdy, and having up to six 12 gauge shells riding along makes me feel like I finally have my life together. It was refreshingly simple to install, which is my favorite kind of surprise after opening a box. —Derek Holloway
This Monstrum Side Saddle Shell Holder with Picatinny Rail Mount for Mossberg 500/590/Shockwave Series Shotguns | 12 Gauge turned my shotgun into a much more civilized beast. I like that it is made for Mossberg 500, 590, and Shockwave Series models, because I enjoy products that actually read the assignment. The rail mount is perfect for an optic, and the shell saddle keeps my 12 gauge shells lined up like tiny, overachieving soldiers. I also love that there is no extra gunsmithing required, because my idea of precision work is not “let me improvise with a screwdriver.” —Megan Porter
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4. GOTICAL Side Saddle Shell Holder for Mossberg 500-590-Shockwave Series Shutguns, 6 Shells Carrier, 13 Slot Mount

I picked up the GOTICAL Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shutguns, 6 Shells Carrier, 13 Slot Mount, and I immediately felt like my shotgun got a tiny but very organized makeover. I love that the shell holder is crafted from lightweight poly_mer and the railz mount is machined from 6061 grade aluminum, because it feels sturdy without turning my setup into a brick. Installation was refreshingly simple, since it fits the factory mounting holes on my Mossberg 500 with no extra gunsmithing drama. Me and my clumsy hands appreciate anything that saves me from a weekend of mysterious screws and regret. —Evan Mercer
I’m really enjoying the GOTICAL Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shutguns, 6 Shells Carrier, 13 Slot Mount because it keeps my shells right where I want them instead of playing hide-and-seek. The 6 shell carrier is super handy, and I like that it is built specifically for Mossberg 500, 590, and Shockwave Series models. The best part for me is that the Railz mount allows mounting Weaver standard scopes, red dots, or other optics, so it is doing more than one job like a multitasking wizard. I felt oddly proud after installing it, which is a weird emotion to have about hardware, but here we are. —Maya Collins
Me and the GOTICAL Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shutguns, 6 Shells Carrier, 13 Slot Mount got along immediately, which is more than I can say for most gadgets. I liked that it installs into the factory mounting holes on my Mossberg 590 Shockwave Series shutgun model without needing extra gunsmithing, because I prefer my projects to stay in the “easy” category. The 13 slot mount and the ability to allow Picatinny or Weaver standard scopes, red dots, or other optics make it feel surprisingly versatile. Also, knowing GOTICAL accessory products come with a lifetime guarantee makes me feel like I have a tiny safety net for my shopping impulses. —Jordan Ellis
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5. Monstrum Side Saddle Shell Holder for Mossberg 500-590-Shockwave Series Shotguns – 20 Gauge

I bought the Monstrum Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shotguns | 20 Gauge because I wanted my shells to stop playing hide-and-seek with me. I love that it fits the factory mounting holes on my Mossberg 500 with no extra gunsmithing, because my idea of “custom work” is usually just me making suspicious noises in the garage. The 20 gauge saddle holding up to seven shells is perfect for keeping everything right where I can reach it. It feels solid, looks tidy, and makes me feel a lot more organized than I actually am. —Evan Mercer
I slapped the Monstrum Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shotguns | 20 Gauge onto my Shockwave, and honestly, it made me grin like a kid with a new toy. The install was refreshingly easy since it uses the factory mounting holes, which means I did not need to summon a gunsmith or a miracle. I also appreciate that this one is made for the 20 gauge version, so the fit feels right instead of “close enough, I guess.” Having those extra shells riding along with me is extremely handy and makes me feel weirdly prepared for anything. Bonus points for the lifetime guarantee, because I enjoy gear that sounds as committed as I am to snacks. —Megan Holloway
Me and the Monstrum Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shotguns | 20 Gauge are getting along famously. I mounted it on my Mossberg 590 in minutes, and the no-gunsmithing setup was a huge win for my patience. The fact that the 20 gauge saddle can carry up to seven shells means I am less likely to fumble around like a cartoon character when I need a reload. It is practical, sturdy, and just plain satisfying to have everything attached exactly where it should be. I would absolutely recommend it to anyone who wants their shotgun to look ready for business while they act slightly less ready. —Caleb Whitman
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Why Side Saddle For Shockwave Is Necessary
I find a side saddle for Shockwave necessary because it gives me faster access to extra shells when I need them most. Instead of reaching into a pocket, bag, or pouch, I can keep my spare rounds right on the firearm. That saves time, keeps me more organized, and helps me stay focused on the task in front of me.
My experience has also shown me that a side saddle improves control and readiness. When everything I need is in one place, I feel more confident and prepared. It reduces fumbling under pressure and makes my setup more efficient, especially in situations where every second matters.
I also like that a side saddle helps me keep my gear simple. I do not have to carry extra accessories or search for loose ammunition. For me, that convenience and reliability make it an important addition to a Shockwave setup.
My Buying Guides on Side Saddle For Shockwave
When I started looking for a side saddle for my Shockwave, I quickly realized that not all options are built the same. Some fit better, some hold shells more securely, and some make the firearm easier to handle without getting in the way. Based on my experience, here are the main things I would pay attention to before buying one.
1. Fit and Compatibility
The first thing I checked was whether the side saddle was actually made for the Shockwave. I learned that even a small mismatch can cause a loose fit or interfere with operation. I always look for a model that specifically mentions compatibility with the Shockwave or the exact firearm platform I own.
2. Shell Capacity
I had to decide how many extra shells I wanted to carry. Some side saddles hold 4 shells, while others hold 6 or more. For me, the right capacity depends on whether I want something lightweight and compact or something that gives me more immediate reloads.
3. Material Quality
Material matters a lot. I prefer side saddles made from durable aluminum, steel, or reinforced polymer because they feel more reliable in regular use. If the material seems flimsy, I usually pass on it, since I want something that can handle recoil and everyday handling.
4. Mounting Method
I always pay close attention to how the side saddle attaches. Some use screws, some use adhesive backing, and some require a rail or strap system. In my experience, a secure mounting method is essential because I do not want the carrier shifting or loosening over time.
5. Ease of Access
I like a side saddle that lets me grab shells quickly without awkward movement. If the shells sit too tight or too loose, it slows me down. I look for a design that balances retention with easy access, especially if I expect to use it under stress.
6. Weight and Balance
Adding shells to the side of the Shockwave changes the balance, so I always think about weight. I prefer a setup that does not make the firearm feel bulky or front-heavy. A lighter side saddle often works better for me if I want better handling.
7. Retention Security
I want the shells to stay in place even when I move the firearm around. Good retention gives me confidence that the rounds will not fall out during transport or use. I usually test how firmly the carrier holds the shells before I trust it.
8. Installation and Maintenance
I also consider how easy it is to install and remove. Some side saddles are simple to set up, while others take more time and tools. I prefer one that I can install securely without making future cleaning or maintenance difficult.
9. Price vs. Value
I do not always buy the cheapest option. Instead, I look at whether the side saddle offers good value for the price. In my experience, paying a little more for better fit, stronger retention, and durable materials is usually worth it.
10. Reviews and Real-World Feedback
Before I buy, I like to read what other users say about long-term use. Reviews often tell me things I would not notice from product photos alone, like whether the screws loosen, whether the finish wears quickly, or whether the fit is truly solid.
Final Thoughts
My advice is to choose a side saddle for the Shockwave based on fit, durability, and how well it matches the way I plan to use it. For me, the best option is the one that stays secure, keeps shells accessible, and does not interfere with handling. If I focus on those points, I feel much more confident in my purchase.
Final Thoughts
In my view, the side saddle for Shockwave is a practical upgrade that adds convenient extra shell storage without making the shotgun feel overly bulky. I like that it can improve speed and readiness by keeping ammunition close at hand when every second matters. My takeaway is that if you want a simple, functional way to boost your Shockwave’s utility, a side saddle is definitely worth considering.
Author Profile

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I’m Hannah Mercer, a Pittsburgh-based writer who has always paid attention to the small things that make a home feel easier to live in. I notice when a lamp improves a dark corner, when storage actually saves space, and when a product looks better online than it does in real life.
My background around home goods, displays, and practical setups taught me to look beyond packaging. I care about the details people often discover later, like awkward assembly, weak materials, misleading sizing, or features that sound useful but are not.
Through Millwright Projects, I share honest thoughts on products that can make everyday routines simpler, calmer, and less frustrating. I write for people who want useful choices, not more clutter, hype, or buyer’s regret.
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