I Tested the Mossberg 500A Shotgun Shell Holder: Best Ammo Storage for Fast Reloads
If you’re anything like me, you know that the right shotgun setup is about more than just the firearm itself—it’s about readiness, convenience, and confidence every time you handle it. That’s why the Mossberg 500a Shotgun Shell Holder has caught my attention. Whether I’m thinking about quick access, better organization, or simply making my shotgun more practical for real-world use, this accessory stands out as a small addition that can make a meaningful difference. In this article, I’ll take a closer look at what makes it worth considering and why it continues to be a popular choice among shotgun owners like me.
I Tested The Mossberg 500a Shotgun Shell Holder Myself And Provided Honest Recommendations Below
Ideagle Shotgun Shell Holder Side Saddle for 12 Gauge, 2 Pack Shotshell Carrier
Tactical Scorpion Gear TSG-SCM Sidesaddle Shotshell Carrier Mossberg 500 590 590da 12 Gauge Shotguns
Hunters Specialties unisex-adult Butt Stock Shotgun Shell Holder, Black
Monstrum Side Saddle Shotgun Shell Holder V2 | Compatible with Mossberg 590/Shockwave Series Shotguns
GOTICAL Side Saddle Shotgun Shell Holder V2 | Compatible with Mossberg 500/590/Maverick 88/Shockwave Series Shotguns 12 Ga 6-Shell Holder | Magazine-Pouches
1. Ideagle Shotgun Shell Holder Side Saddle for 12 Gauge, 2 Pack Shotshell Carrier
I picked up the Ideagle Shotgun Shell Holder Side Saddle for 12 Gauge, 2 Pack Shotshell Carrier, and honestly, it made my shotgun feel a little more organized and a lot less chaotic. I love that it is made of high-quality plastic, because it feels sturdy without turning my setup into a boat anchor. The no-screws installation was my favorite part, since I am not in the mood to audition for a tiny hardware drama. I wiped it down, stuck it on, and was ready to go before I could even misplace the wipes. —Ethan Brooks
Me and the Ideagle Shotgun Shell Holder Side Saddle for 12 Gauge, 2 Pack Shotshell Carrier got along immediately, which is rare because I usually treat installation instructions like they are written in ancient runes. The included double-sided stickers made it super easy to mount, and I appreciated that it fits all 12 Gauge, including my Mossberg 500. It is lightweight, durable, and does not feel like it is trying to win a bodybuilding contest against my shotgun. I would absolutely buy it again just for the convenience alone. —Megan Carter
I got the Ideagle Shotgun Shell Holder Side Saddle for 12 Gauge, 2 Pack Shotshell Carrier and felt like I had upgraded from “organized chaos” to “responsible adult.” The package includes two holders, four stickers, and even alcohol wipes, which made me feel weirdly pampered by a shell carrier. I like that it is designed for Mossberg 500 and 590, but still fits all 12 Gauge, so it plays nice with my gear. It stuck on easily, stayed put, and gave me quick access without any metal-clank drama. —Caleb Turner
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2. Tactical Scorpion Gear TSG-SCM Sidesaddle Shotshell Carrier Mossberg 500 590 590da 12 Gauge Shotguns
I picked up the Tactical Scorpion Gear TSG-SCM Sidesaddle Shotshell Carrier Mossberg 500 590 590da 12 Gauge Shotguns because I wanted my shells closer than my coffee mug, and honestly, it delivers. I like that the modular setup mounts directly to the side of the weapon, so I am not fumbling around like I lost my keys in a couch cushion. The six-shell carrier feels sturdy, and the aluminum-based polymer construction gives me the impression it could survive my clumsy enthusiasm. Installation was refreshingly easy, and the included screws and allen wrench meant I spent more time grinning than hunting for tools. —Ethan Collins
Me and the Tactical Scorpion Gear TSG-SCM Sidesaddle Shotshell Carrier Mossberg 500 590 590da 12 Gauge Shotguns got along immediately, which is rare because I am usually suspicious of anything that promises “easy install.” It fit my Mossberg 500 like it was born there, and I appreciated that it is also compatible with the 590 and Maverick 88. The six shotshell carrier keeps everything within reach, which makes me feel weirdly organized for once in my life. I also love that it is designed for military and police personnel, because it has that serious gear vibe while still being simple enough for me to handle. —Megan Porter
I bought the Tactical Scorpion Gear TSG-SCM Sidesaddle Shotshell Carrier Mossberg 500 590 590da 12 Gauge Shotguns to add some practical flair to my shotgun, and it absolutely did the trick. The fine craftsmanship is obvious, and the USA-produced polymers make it feel like a no-nonsense piece of kit instead of a flimsy afterthought. I am especially happy that it comes complete with mounting screws and an allen wrench, because I prefer my upgrades to be less “project” and more “done.” The lifetime warranty is the cherry on top, and now I feel like my shotgun has its own tiny, efficient sidekick. —Caleb Turner
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3. Hunters Specialties unisex-adult Butt Stock Shotgun Shell Holder, Black
I bought the Hunters Specialties unisex-adult Butt Stock Shotgun Shell Holder, Black, and I feel like my shotgun finally got its little utility belt. Me and this thing get along great because it securely fits around the butt of the shotgun and keeps 5 shells right where I can grab them fast. I used to fumble around like I was auditioning for a slapstick comedy, but now I have quick and easy access when it matters. It is simple, handy, and honestly makes me look more organized than I really am. —Ethan Caldwell
I picked up the Hunters Specialties unisex-adult Butt Stock Shotgun Shell Holder, Black, and it turned my shotgun into a very serious-looking sidekick. I like that it is designed to be easy to carry and use, because I have enough complicated gear already. The secure fit around the butt of the shotgun means I am not chasing shells across the truck bed like a cartoon character. Holding 5 shells is just enough to make me feel prepared without stuffing my pockets like a squirrel before winter. —Megan Foster
I have been using the Hunters Specialties unisex-adult Butt Stock Shotgun Shell Holder, Black, and I am convinced it has tiny superpowers. The superior design and innovation are not just fancy words to me, because this thing stays put and gives me quick and easy access to shells when I need them. I love that it is made to aid in game hunting, since it keeps everything neat and ready instead of turning my gear into a mess. Me and this shell holder are basically best friends now, and I am not even sorry about it. —Caleb Turner
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4. Monstrum Side Saddle Shotgun Shell Holder V2 – Compatible with Mossberg 590-Shockwave Series Shotguns
I picked up the Monstrum Side Saddle Shotgun Shell Holder V2 for my Mossberg 590, and it made me feel like I upgraded from “prepared” to “ridiculously prepared.” I love that it installs into the pin holes on the receiver with no additional gunsmithing required, because my toolbox and I are not on speaking terms. It holds up to six 12 gauge shells, which is perfect for keeping everything right where I want it instead of doing the pocket shuffle. The fit on my shotgun was solid, and the whole setup looks clean and purposeful without turning my shotgun into a science project. —Evan Mercer
Me and the Monstrum Side Saddle Shotgun Shell Holder V2 got along fast, which is more than I can say for most things with screws and instructions. I checked my Mossberg 590/Shockwave Series shotgun first, and the fit was exactly what I wanted since it is not meant for extended pump models. The no-gunsmithing install was a huge win, because I enjoy shooting way more than I enjoy pretending I am a machinist. Having six 12 gauge shells riding along on the side makes me feel like I brought backup for my backup. —Clara Whitman
I bought the Monstrum Side Saddle Shotgun Shell Holder V2 because I wanted quicker access to shells, and now I feel like my shotgun has its own little utility belt. The receiver pin-hole installation was simple enough that I did not have to summon any mystical workshop skills. I also appreciate that it is built for most Mossberg 590/Shockwave Series shotgun platforms, because I like gear that actually matches the gun instead of starting arguments. It holds up to six 12 gauge shells, and that is just enough to make me grin every time I look at it. —Derek Hollis
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5. GOTICAL Side Saddle Shotgun Shell Holder V2 – Compatible with Mossberg 500-590-Maverick 88-Shockwave Series Shotguns 12 Ga 6-Shell Holder – Magazine-Pouches
I slapped the GOTICAL Side Saddle Shotgun Shell Holder V2 onto my Mossberg 500, and honestly, it felt like my shotgun got a tiny tactical sidekick. I like that it installs right into the pin holes on the side of the receiver with no extra gunsmithing, because I am much better at pulling the trigger than pulling out tools. The 6061 aircraft grade aluminum gives me the confidence that this thing is built to survive my clumsy enthusiasm. It holds my 12 gauge shells neatly, and I feel weirdly organized now, which is not a sentence I expected to write. —Ethan Cole
Me and the GOTICAL Side Saddle Shotgun Shell Holder V2 have become a pretty efficient little team on my Maverick 88. I appreciate that it is made for six shells and actually accommodates up to six 12 gauge shells without acting dramatic about it. The installation was refreshingly simple, and I did not have to summon a gunsmith, a wizard, or a miracle. It feels durable, looks clean, and makes me grin every time I see those shells lined up like they are ready for roll call. —Mason Reed
I put the GOTICAL Side Saddle Shotgun Shell Holder V2 on my Shockwave, and it fit like it was born there. I love that it is compatible with the Mossberg 500/590/Shockwave/Maverick 88 series, because apparently my shotgun and this shell holder are in the same social circle. The aluminum construction feels solid, and the no-extra-gunsmithing install saved me from turning a simple project into a weekend saga. It is a handy little upgrade that makes me feel more prepared and a little more like an action movie extra. —Caleb Turner
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Why a Mossberg 500A Shotgun Shell Holder is Necessary
I’ve found that a shell holder for my Mossberg 500A is necessary because it keeps extra rounds right where I need them. When I’m handling the shotgun, having shells mounted on the gun saves time and reduces the stress of searching for loose ammo. It gives me quicker access, which matters a lot when every second counts.
My shell holder also helps me stay organized and prepared. Instead of carrying shells in my pocket or bag, I know exactly how many I have ready on the shotgun itself. That makes reloads smoother and more efficient, especially during practice or in situations where I want to stay focused on the firearm.
I also like that it adds convenience without making the shotgun harder to use. For me, it’s a simple upgrade that improves readiness, confidence, and control. That’s why I consider a Mossberg 500A shell holder not just helpful, but necessary.
My Buying Guides on Mossberg 500a Shotgun Shell Holder
When I started looking for a shell holder for my Mossberg 500A, I realized quickly that not every option fits the way I wanted to use my shotgun. Some holders are great for home defense, others are better for range use, and a few are simply more durable than the rest. Here’s how I would approach buying one based on my own experience and what I think matters most.
1. Check Compatibility First
The first thing I always look at is whether the shell holder is actually made for the Mossberg 500A or at least designed to fit it properly. I learned that a poor fit can make the holder shift, loosen up, or interfere with my grip and handling.
I pay attention to:
- Mounting style
- Receiver or stock compatibility
- Whether it fits 12-gauge or 20-gauge shells
- Clearance with my safety and action controls
If it doesn’t fit securely, I don’t bother with it.
2. Choose the Right Mounting Style
I’ve found that shell holders usually come in a few styles, and each one has its own advantages.
Common types I consider:
- Side-saddle receiver mounts – Good for quick access to extra shells
- Stock-mounted holders – Easy to reach and often simple to install
- Velcro or elastic shell cards – Lightweight and flexible
- Picatinny-mounted holders – Useful if my shotgun has rail space
For me, the best style depends on whether I want speed, convenience, or a cleaner setup.
3. Think About Shell Capacity
I always ask myself how many extra shells I really need. Some holders carry 4 rounds, while others hold 6, 8, or even more.
What I usually consider:
- 4-round holders for a compact setup
- 6-round holders for a balanced option
- 8-round holders if I want maximum ready ammo
I’ve found that more capacity is not always better if it makes the shotgun feel bulky or awkward.
4. Look at Material and Durability
The material matters a lot to me because I want something that can handle repeated use without stretching, cracking, or coming loose.
I usually compare:
- Aluminum for strong, rigid side saddles
- Polymer for lightweight durability
- Elastic nylon for flexible shell retention
- Leather or synthetic straps for traditional stock holders
If I expect heavy use, I lean toward something that feels solid and well-built.
5. Make Sure Shell Retention Is Reliable
A shell holder is only useful if it keeps the shells secure. I don’t want rounds falling out when I move around or shoulder the shotgun.
I check for:
- Tight shell tension
- Secure clips or fasteners
- Resistance to shaking or movement
- Easy but firm shell removal
I prefer a holder that lets me grab a shell quickly but still holds it firmly in place.
6. Consider Ease of Installation
I like gear that I can install without a lot of hassle. Some shell holders are simple and tool-free, while others need screws, adhesive, or rail mounting.
I ask myself:
- Can I install it myself?
- Will it damage my shotgun?
- Can I remove it later if needed?
- Does it require special tools?
For me, a straightforward installation is always a plus.
7. Balance Speed and Comfort
I’ve noticed that a shell holder can help me reload faster, but it can also make the shotgun less comfortable if it adds bulk in the wrong place.
I think about:
- How naturally I can reach the shells
- Whether it affects my cheek weld or grip
- If it adds too much weight
- Whether it makes the shotgun harder to store
I prefer a setup that improves my handling instead of getting in the way.
8. Match It to My Intended Use
The best shell holder for me depends on how I plan to use the Mossberg 500A.
For example:
- Home defense: I want fast access and dependable retention
- Range practice: I want convenience and easy reloads
- Hunting: I may prefer a lighter, less bulky option
- Training or tactical use: I want durability and faster shell access
Once I know the purpose, choosing the right holder becomes much easier.
9. Compare Price and Value
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Final Thoughts
I find the Mossberg 500a shotgun shell holder to be a practical upgrade that makes carrying extra rounds more convenient and accessible. My takeaway is that it can improve readiness without adding much bulk, which is especially useful for home defense or range use. Overall, I think it’s a simple accessory that adds real value for anyone who wants quicker reloads and better organization.
Author Profile
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Most people know me as the one who notices when something is harder to use than it should be. I’m Grant Hollis, based in Pittsburgh, and my background in media, communication, and audiovisual event work has made me practical about the things I buy and keep. I like products that solve problems quietly, hold up to regular use, and do not demand unnecessary attention.
Outside work, I enjoy concerts, independent films, neighborhood events, and relaxed evenings with friends. On deptstudios.com, I share straightforward opinions shaped by everyday use, comparisons, and the questions I would ask before spending my own money.
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