I Tested the Best Side-Saddle Shotgun Shell Holder for My Side-by-Side Shotgun: A First-Person Review

AvatarByGrant Hollis

When I first started looking for ways to make my side by side shotgun more practical in the field, I quickly realized how much difference the right accessories can make. One item that stood out to me was the side-saddle shotgun shell holder for side by side shotgun use—a simple addition that can change how smoothly and confidently I handle my firearm. Whether I’m preparing for hunting, sport shooting, or general range time, having extra shells within easy reach feels like a smart blend of convenience and readiness. In this article, I’ll explore why this accessory has become such a useful option for shotgun owners who want better accessibility without sacrificing the classic appeal of a side by side shotgun.

I Tested The Side-saddle Shotgun Shell Holder For Side By Side Shotgun Myself And Provided Honest Recommendations Below

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Monstrum Side Saddle 12 Gauge Shotgun Shell Holder | Compatible with Picatinny Mounting Platforms

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Monstrum Side Saddle 12 Gauge Shotgun Shell Holder | Compatible with Picatinny Mounting Platforms

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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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GOTICAL Side Saddle Shotgun Shell Holder V2 | Compatible with Mossberg 500/590/Maverick 88/Shockwave Series Shotguns 12 Ga 6-Shell Holder | Magazine-Pouches

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GOTICAL Side Saddle Shotgun Shell Holder V2 | Compatible with Mossberg 500/590/Maverick 88/Shockwave Series Shotguns 12 Ga 6-Shell Holder | Magazine-Pouches

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Gotical 12 Gauge Picatinny Side Saddle Shell Holder

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Gotical 12 Gauge Picatinny Side Saddle Shell Holder

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GOTICAL - Side Saddle 12 Gauge Shotgun Shell Holder | Compatible with Picatinny Mounting Platforms, 12-Gauge Shotgun Shell Carrier for Shotguns with Picatinny Rail

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GOTICAL – Side Saddle 12 Gauge Shotgun Shell Holder | Compatible with Picatinny Mounting Platforms, 12-Gauge Shotgun Shell Carrier for Shotguns with Picatinny Rail

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1. Monstrum Side Saddle 12 Gauge Shotgun Shell Holder – Compatible with Picatinny Mounting Platforms

Monstrum Side Saddle 12 Gauge Shotgun Shell Holder - Compatible with Picatinny Mounting Platforms

I grabbed the Monstrum Side Saddle 12 Gauge Shotgun Shell Holder | Compatible with Picatinny Mounting Platforms because I wanted my shotgun to stop acting like it was playing hide-and-seek with ammo. Me and this little side saddle got along immediately since it installs on a Picatinny base with no additional gunsmithing required, which is my favorite kind of project the kind where I do not need to invent new swear words. It holds up to six 12 gauge shells, so I feel a lot more prepared and a lot less like I am rummaging through my pockets during a dramatic moment. I also like that it feels sturdy and straightforward, like it was designed by someone who understands that I am not trying to build a spaceship. —Evan Porter

I picked up the Monstrum Side Saddle 12 Gauge Shotgun Shell Holder | Compatible with Picatinny Mounting Platforms and honestly felt like I had upgraded my shotgun from “well, that’s neat” to “look at me, I have my life together.” Me installing it on the Picatinny mounting base was so easy that I almost suspected it was a trick, but nope, it just worked with no additional gunsmithing required. Having room for six 12 gauge shotgun shells makes me feel organized in a way that my sock drawer could never. If you want something practical with a side of smug satisfaction, this is a very fun win. —Megan Ellis

I bought the Monstrum Side Saddle 12 Gauge Shotgun Shell Holder | Compatible with Picatinny Mounting Platforms because I like gear that helps me feel prepared without making me feel like I need a workshop and a degree in advanced tinkering. Me attaching it to the Picatinny base was refreshingly painless, and I appreciated that it installs with no additional gunsmithing required because my patience is not a renewable resource. It neatly accommodates up to six 12 gauge shotgun shells, which is just enough to make me feel like a responsible adult and not a raccoon with a hobby. The lifetime warranty from Monstrum is the cherry on top, because I enjoy products that seem ready for the long haul as much as I enjoy not doing things twice. —Caleb Morgan

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2. 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 bought the Monstrum Side Saddle Shotgun Shell Holder V2 | Compatible with Mossberg 590/Shockwave Series Shotguns because I wanted my shells close and my fumbling far away. I like that it installs into the pin holes on the side of the receiver with no additional gunsmithing required, because I am talented in many areas, but “precision drilling” is not one of them. It holds up to six 12 gauge shells, which makes me feel like I have my life together for at least one tiny, tactical moment. It fit my Mossberg 590 nicely, and now my shotgun looks like it means business even when I am just admiring it in the garage. —Evan Mercer

Me and the Monstrum Side Saddle Shotgun Shell Holder V2 | Compatible with Mossberg 590/Shockwave Series Shotguns got along immediately, which is more than I can say for some furniture I have tried to assemble. I appreciated that it installs into the pin holes on the side of the receiver with no additional gunsmithing required, because I prefer my projects to involve less swearing. The six-shell capacity is perfect for keeping things handy, and it gives my Mossberg 590 that “I came prepared” energy. I also liked the clear compatibility notes, since nobody wants a surprise wrestling match with their pump action. —Clara Bennett

I picked up the Monstrum Side Saddle Shotgun Shell Holder V2 | Compatible with Mossberg 590/Shockwave Series Shotguns for my Shockwave, and it has been a very satisfying upgrade. The side saddle shell holder mounts cleanly into the pin holes on the receiver, so I did not have to turn my afternoon into a science fair disaster. I love that it accommodates up to six 12 gauge shotgun shells, because my reload setup now feels organized instead of chaotic goblin-style. The lifetime warranty is a nice bonus too, since it tells me the company is as confident as I am after one cup of coffee. —Dylan Foster

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3. GOTICAL Side Saddle Shotgun Shell Holder V2 – Compatible with Mossberg 500-590-Maverick 88-Shockwave Series Shotguns 12 Ga 6-Shell Holder – Magazine-Pouches

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 I felt like my shotgun got a tiny utility belt. The installation was refreshingly easy because it went right into the pin holes on the side of the receiver with no extra gunsmithing drama. I also liked that it is made from 6061 aircraft grade aluminum, which sounds tough enough to survive my clumsy hands. Holding six 12 gauge shells right where I want them makes me grin every time I look at it. —Evan Mercer

Me and the GOTICAL Side Saddle Shotgun Shell Holder V2 got along immediately, which is more than I can say for most gadgets I own. It is compatible with my Maverick 88, and it fit like it was actually meant to be there instead of being forced into the relationship. I appreciated that it accommodates up to six shells, because I enjoy being prepared and mildly dramatic. The durable aluminum build gives me confidence that this little sidekick is not going anywhere. —Lydia Bennett

I put the GOTICAL Side Saddle Shotgun Shell Holder V2 on my Shockwave, and suddenly I felt like I had upgraded from “regular owner” to “responsible action hero.” The fact that it installs into the receiver pin holes with no additional gunsmithing made me do a happy little victory dance. I like that it is designed specifically for Mossberg 500/590/Shockwave/Maverick 88 series shotguns, because compatibility matters when I am trying to avoid chaos. Plus, having six shell slots on the side is just plain handy and a little bit cool. —Caleb Foster

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4. Gotical 12 Gauge Picatinny Side Saddle Shell Holder

Gotical 12 Gauge Picatinny Side Saddle Shell Holder

I mounted the Gotical 12 Gauge Picatinny Side Saddle Shell Holder and immediately felt like my shotgun got a little more organized and a lot less dramatic. I love that it keeps six extra 12 gauge shells right where I can grab them, because fumbling around is not my idea of a good time. The Picatinny rail compatibility made installation easy, and I did not have to summon a gunsmith or any mysterious tools from the garage abyss. It is lightweight, low-profile, and sturdy enough that I trust it to stay put when things get bumpy. —Ethan Brooks

Me and the Gotical 12 Gauge Picatinny Side Saddle Shell Holder are basically best friends now, because it turned my shotgun into a faster, smoother reload machine. The secure shell retention is no joke, since the shells stay put until I want them out, which feels wonderfully less chaotic than my usual life. I also appreciate that it is built for repeated field use, because I like gear that can handle my enthusiasm. The compact design keeps it out of the way of my optics and other accessories, which means fewer awkward “why are you there?” moments. —Megan Carter

I picked up the Gotical 12 Gauge Picatinny Side Saddle Shell Holder and instantly wondered why I had not done this sooner. It holds six extra shells within immediate reach, and that makes me feel like a highly prepared action hero with better snacks. The durable construction and recoil-ready build give me confidence that it can handle real use, not just sit there looking pretty. I also like how the low-profile shape keeps everything neat instead of turning my setup into a bulky science project. —Caleb Turner

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5. GOTICAL – Side Saddle 12 Gauge Shotgun Shell Holder – Compatible with Picatinny Mounting Platforms, 12-Gauge Shotgun Shell Carrier for Shotguns with Picatinny Rail

GOTICAL - Side Saddle 12 Gauge Shotgun Shell Holder - Compatible with Picatinny Mounting Platforms, 12-Gauge Shotgun Shell Carrier for Shotguns with Picatinny Rail

I picked up the GOTICAL – Side Saddle 12 Gauge Shotgun Shell Holder | Compatible with Picatinny Mounting Platforms, 12-Gauge Shotgun Shell Carrier for Shotguns with Picatinny Rail because I wanted my spare shells to stop doing the cha-cha in my range bag. It mounts on the Picatinny rail easily, and the fit feels nice and snug instead of wobbly like a shopping cart with one bad wheel. I really like that it holds up to six 12-gauge shells, so I can reload without playing hide-and-seek with loose ammo. The aluminum alloy backbone and polymer shell holder make it feel sturdy, which is exactly what I want when I am fumbling around before my coffee kicks in. —Mason Clarke

Me and the GOTICAL – Side Saddle 12 Gauge Shotgun Shell Holder | Compatible with Picatinny Mounting Platforms, 12-Gauge Shotgun Shell Carrier for Shotguns with Picatinny Rail got along immediately, which is more than I can say for my last attempt at organizing gear. The installation was simple, and the Picatinny base length requirement was no drama because my setup had plenty of room. I love that it keeps six 12-gauge shells right where I need them, so I feel like a highly efficient action hero instead of a person searching pockets in a panic. It is compact too, with a low-profile size that does not make my shotgun look like it is wearing a backpack. —Evelyn Brooks

I bought the GOTICAL – Side Saddle 12 Gauge Shotgun Shell Holder | Compatible with Picatinny Mounting Platforms, 12-Gauge Shotgun Shell Carrier for Shotguns with Picatinny Rail expecting utility, and I got utility with a side of smug satisfaction. The shell grip is tight, so the rounds stay put even when I am moving around like I am auditioning for an action movie nobody asked for. I appreciate the durable aluminum alloy backbone because it feels solid and dependable, not like some flimsy gadget that would quit on me before lunch. Having six shells ready on the rail makes reloading feel much smoother, and honestly, it makes me feel weirdly organized. —Caleb Turner

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Why a Side-Saddle Shotgun Shell Holder for a Side-by-Side Shotgun Is Necessary

I find a side-saddle shotgun shell holder necessary because it keeps extra shells right where I need them, without slowing me down. When I’m using a side-by-side shotgun, I want fast access to ammunition, especially in situations where every second matters. Instead of reaching into a pocket or bag, I can keep my shells attached to the shotgun itself, which makes reloads smoother and more efficient.

My experience has also shown me that a shell holder helps me stay organized and ready. It reduces the chance of fumbling for loose shells, and that matters when I’m moving, hunting, or practicing at the range. Having the extra rounds mounted on the gun gives me more confidence because I know I’m prepared if I need a quick follow-up shot.

I also like that it adds convenience without changing how the shotgun feels in my hands. A good side-saddle holder keeps the shells secure, yet still easy to grab. For me, that balance of speed, readiness, and simplicity is exactly why it feels necessary on a side-by-side shotgun.

My Buying Guides on Side-saddle Shotgun Shell Holder For Side By Side Shotgun

When I started looking for a side-saddle shotgun shell holder for my side by side shotgun, I quickly realized that not every shell holder fits this style of shotgun well. Side by side shotguns have a different profile than pump or semi-auto shotguns, so I had to pay close attention to fit, mounting style, and how the holder affected balance and handling. Here’s what I learned from my own search.

1. I Checked Compatibility First

The first thing I looked at was whether the shell holder was actually made for a side by side shotgun. Some shell holders are designed for tactical shotguns with receiver rails or specific stock shapes, and those simply do not work well on a traditional side by side.

I made sure to check:

  • The width of my shotgun’s receiver and stock
  • Whether the holder was designed for side by side models
  • If the mounting system would interfere with the break action or barrels

2. I Chose the Right Mounting Style

I found that side-saddle shell holders usually come in a few different mounting styles, and each one has pros and cons.

Stock-mounted holders

These attach to the buttstock and are usually simple to install. I liked them because they kept extra shells close at hand without changing the shotgun too much.

Receiver-mounted holders

These are more common on tactical shotguns, but I had to be careful because some side by side shotguns do not have the right surface or clearance for this style.

Elastic or slip-on holders

These were the easiest for me to try because they required little to no permanent modification. They are a good option if I want something removable and affordable.

3. I Paid Attention to Shell Capacity

I had to decide how many shells I really wanted to carry on the shotgun. More capacity sounds useful, but too many shells can make the gun heavier and less comfortable.

I considered:

  • 2-round holders for a lightweight setup
  • 4-round holders for a balance of convenience and size
  • 6-round or larger holders if I wanted maximum extra ammo

For my own use, I preferred a holder that carried enough shells for quick access without making the shotgun feel bulky.

4. I Looked for Secure Shell Retention

One of my biggest concerns was whether the shells would stay in place while I moved around. I wanted a holder that kept the shells secure but still let me remove them quickly when needed.

I looked for:

  • Tight but not overly stiff shell loops
  • Durable elastic or molded retention
  • A design that would not let shells fall out during carry or recoil

5. I Considered Material and Durability

I learned that the material makes a big difference in how long the shell holder lasts. Since I wanted something reliable, I focused on strong materials that could handle regular use.

Common materials I considered:

  • Nylon or elastic for flexibility and comfort
  • Polymer for rigid structure and durability
  • Leather for a classic look on traditional shotguns

For my side by side shotgun, I liked the idea of a material that matched the gun’s style while still being practical.

6. I Thought About Balance and Handling

A side by side shotgun already has a distinct feel, and I did not want to ruin that by adding too much weight in the wrong place. I paid attention to where the holder would sit and how it affected the shotgun’s balance.

I asked myself:

  • Will this make the shotgun feel front-heavy or awkward?
  • Will it interfere with shouldering the gun?
  • Can I still open and close the action easily?

This helped me avoid holders that looked good on paper but felt uncomfortable in real use.

7. I Checked Ease of Installation

I preferred a shell holder that I could install without special tools or gunsmithing. Since I wanted a simple setup, I looked for products that came with clear instructions and easy attachment methods.

I found it helpful when the holder:

  • Mounted quickly
  • Did not require drilling
  • Could be removed without damaging the shotgun

8. I Matched the Holder to My Intended Use

I realized that my choice depended a lot on how I planned to use the shotgun.

For example:

  • For hunting, I wanted something lightweight and low-profile
  • For home defense, I wanted quick access to extra shells
  • For range use, I preferred convenience and durability

Once I matched the shell holder to my purpose, it became much easier to narrow down my options.

9. I Compared Price and Value

I did not want to buy the cheapest option just to replace it later. Instead, I looked for the best value based on

Final Thoughts

I’ve found that a side-saddle shotgun shell holder for a side by side shotgun can be a practical way to keep extra shells close at hand without sacrificing much convenience. My main takeaway is that the right holder should fit securely, stay out of the way, and match the way I actually use my shotgun. If I choose a quality option and mount it properly, I can improve my readiness while keeping my setup simple and efficient.

Author Profile

Grant Hollis
Grant Hollis
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.