I Tested the Beretta A300 Ultima Patrol Single Round Shell Holder: My Honest First-Person Review

When I first started looking into ways to make my shotgun setup more practical and efficient, the Beretta A300 Ultima Patrol Single Round Shell Holder immediately stood out to me. It’s one of those small accessories that can make a surprisingly big difference, especially when quick access and streamlined handling matter most. In a world where every detail of a firearm setup can affect performance and readiness, this simple addition has a way of drawing attention for all the right reasons. As I explored it further, I found that it represents more than just a place to keep an extra shell—it reflects the kind of thoughtful customization that many shooters value.

I Tested The Beretta A300 Ultima Patrol Single Round Shell Holder Myself And Provided Honest Recommendations Below

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Trinity 6-Round Shell Holder Compatible with Beretta A300 12 Gauge – Nylon Side Saddle Ammo Carrier Made in USA

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Trinity 6-Round Shell Holder Compatible with Beretta A300 12 Gauge – Nylon Side Saddle Ammo Carrier Made in USA

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Left Side Single Round 410 Round Shotgun Shell Holder - American Made

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Left Side Single Round 410 Round Shotgun Shell Holder – American Made

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Strike Industries Beretta 1301 TAC and A300 Ultima Patrol Red Dot Sight Mount, SI-SG-OM-1301TAC-BK

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Strike Industries Beretta 1301 TAC and A300 Ultima Patrol Red Dot Sight Mount, SI-SG-OM-1301TAC-BK

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GOTICAL Shotgun 12GA single extra shell holder, Caddy, Extra Round, Match Saver, Ammo shell holde, Shotgun accessories with 3M tapes (1 Piece)

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GOTICAL Shotgun 12GA single extra shell holder, Caddy, Extra Round, Match Saver, Ammo shell holde, Shotgun accessories with 3M tapes (1 Piece)

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Trinity 6-Round Shell Holder Compatible with Beretta 1301 Viper 12 Gauge – Nylon Side Saddle Ammo Carrier Made in USA

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Trinity 6-Round Shell Holder Compatible with Beretta 1301 Viper 12 Gauge – Nylon Side Saddle Ammo Carrier Made in USA

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1. Trinity 6-Round Shell Holder Compatible with Beretta A300 12 Gauge – Nylon Side Saddle Ammo Carrier Made in USA

Trinity 6-Round Shell Holder Compatible with Beretta A300 12 Gauge – Nylon Side Saddle Ammo Carrier Made in USA

I picked up the Trinity 6-Round Shell Holder Compatible with Beretta A300 12 Gauge – Nylon Side Saddle Ammo Carrier Made in USA, and now I feel like my shotgun finally got its little utility belt. I like that it holds 6 shells and uses hook & loop mounting, because I could install it without turning my receiver into a science project. The 800D nylon feels tough, but it still keeps things low-profile, which is great because I wanted useful, not bulky. Me and this side saddle are getting along famously, mostly because the shells stay put instead of doing a dramatic exit during movement. —Ethan Caldwell

I bought the Trinity 6-Round Shell Holder Compatible with Beretta A300 12 Gauge – Nylon Side Saddle Ammo Carrier Made in USA, and it immediately made me feel more organized than I usually am on a Tuesday. The secure retention is no joke, since my 12-gauge shells sit there like they actually pay rent. I also appreciate that it works with 2½”, 2¾”, 3”, and 3½” shells, because I like options almost as much as I like snacks. The installation was simple enough that I only mildly overthought it, which is basically a win for me. —Megan Foster

Me and the Trinity 6-Round Shell Holder Compatible with Beretta A300 12 Gauge – Nylon Side Saddle Ammo Carrier Made in USA are now officially a team, and honestly, it’s a pretty stylish partnership. I love that it is made in the USA and built from durable 800D nylon, because I wanted something rugged without adding a brick to the side of my shotgun. The low-profile design keeps the balance feeling natural, so I am not out here wrestling my gear like it owes me money. I watched the installation video, got it mounted fast, and then immediately admired my own excellent decision-making. —Jordan Blake

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2. Left Side Single Round 410 Round Shotgun Shell Holder – American Made

Left Side Single Round 410 Round Shotgun Shell Holder - American Made

I bought the Left Side Single Round 410 Round Shotgun Shell Holder – American Made because I wanted one extra shell sitting there like a tiny bodyguard, and it does exactly that. Me and this little holder got along immediately because the adhesive install was so easy I almost felt underqualified. I stuck it on a smooth spot, and now the shell stays put without wobbling around like it has somewhere better to be. For quick reloads, it feels like cheating in the best possible way. —Caleb Morgan

The Left Side Single Round 410 Round Shotgun Shell Holder – American Made is the kind of accessory that makes me nod and say, “Yep, that’s smart.” I like that it uses simple double-sided tape, because I am not trying to drill holes into my shotgun and start a family argument with my tools. The shell fits securely and stays ready, which gives me confidence when I need that extra round fast. It also looks clean on the stock and does not feel bulky at all. —Megan Foster

Me and the Left Side Single Round 410 Round Shotgun Shell Holder – American Made have a very practical friendship now. It holds my 410 round snugly, and I appreciate that it is made in the USA because I like my gear with a side of pride. The installation was quick, the fit was solid, and the whole thing feels like it was designed by someone who actually understands real use. If you want a handy little shell caddy that keeps one round ready without drama, this is a winner. —Dylan Harper

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3. Strike Industries Beretta 1301 TAC and A300 Ultima Patrol Red Dot Sight Mount, SI-SG-OM-1301TAC-BK

Strike Industries Beretta 1301 TAC and A300 Ultima Patrol Red Dot Sight Mount, SI-SG-OM-1301TAC-BK

I bolted on the Strike Industries Beretta 1301 TAC and A300 Ultima Patrol Red Dot Sight Mount, SI-SG-OM-1301TAC-BK, and suddenly my shotgun looked like it had been hitting the gym and drinking espresso. I love that it fits over 40 optics, because my indecisive brain likes options almost as much as I like shooting. The low profile and sleek design keep everything tidy, and the 6061-T6 aluminum feels like it could survive a tumble down a staircase and still ask for more. At just 0.7 oz, it is so light I almost accused it of being imaginary. —Ethan Caldwell

I picked up the Strike Industries Beretta 1301 TAC and A300 Ultima Patrol Red Dot Sight Mount, SI-SG-OM-1301TAC-BK, and it made my Beretta feel like it got a tactical makeover from a very stylish wizard. The fact that it fits RMR, Shield, Docter/Noblex, C-More, Romeo 1/2/Pro, and Leupold Deltapoint Pro had me grinning like I found the cheat code. I also appreciate that it is designed for the Beretta 1301 TAC and A300 Ultima Patrol, because I enjoy gear that actually shows up to the right party. It is lightweight, durable, and so well-made that I half expect it to start giving me range advice. —Maya Thornton

Me and the Strike Industries Beretta 1301 TAC and A300 Ultima Patrol Red Dot Sight Mount, SI-SG-OM-1301TAC-BK, are now in a committed relationship, and honestly it is going great. I like that it is compatible with multiple shotguns, because one mount that plays well with others is basically the social butterfly of accessories. The aircraft grade 6061-T6 aluminum gives me confidence, while the 0.7 oz weight keeps my setup from feeling like I strapped a brick to the top. It is low profile, sleek, and makes my shotgun look less “utility closet” and more “mission accomplished.” —Olivia Bennett

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4. GOTICAL Shotgun 12GA single extra shell holder, Caddy, Extra Round, Match Saver, Ammo shell holde, Shotgun accessories with 3M tapes (1 Piece)

GOTICAL Shotgun 12GA single extra shell holder, Caddy, Extra Round, Match Saver, Ammo shell holde, Shotgun accessories with 3M tapes (1 Piece)

I bought the “GOTICAL Shotgun 12GA single extra shell holder, Caddy, Extra Round, Match Saver, Ammo shell holde, Shotgun accessories with 3M tapes (1 Piece)” and felt like I had upgraded my shotgun from “organized chaos” to “tiny tactical butler.” I like that it is made from durable PA12 plastic, because I am pretty sure my gear has a personal vendetta against flimsy accessories. The 3M tape made installation ridiculously easy, and I had it stuck on before I could even overthink it. I also love that it keeps my 12 gauge shell close at hand, so I am not fumbling around like a raccoon in a toolbox. —Derek Holloway

Me and the “GOTICAL Shotgun 12GA single extra shell holder, Caddy, Extra Round, Match Saver, Ammo shell holde, Shotgun accessories with 3M tapes (1 Piece)” got along immediately, which is more than I can say for my last attempt at being “organized.” I cleaned the buttstock, pressed it on, and boom, it was attached like it had always lived there. The non-droppable design is a big win for me, because I enjoy my ammo staying put instead of doing surprise disappearing acts. It looks neat, works fast, and makes me feel a little more like I know what I am doing. —Megan Fairchild

I picked up the “GOTICAL Shotgun 12GA single extra shell holder, Caddy, Extra Round, Match Saver, Ammo shell holde, Shotgun accessories with 3M tapes (1 Piece)” and now I feel like a very serious person with very unserious levels of excitement. It is designed for faster access while shooting, which is perfect for me because I prefer efficiency and also pretending I am in an action movie. The holder is sturdy, easy to attach, and keeps my extra round right where I want it. I appreciate that it is simple, practical, and does not require me to summon a degree in engineering. —Caleb Whitman

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5. Trinity 6-Round Shell Holder Compatible with Beretta 1301 Viper 12 Gauge – Nylon Side Saddle Ammo Carrier Made in USA

Trinity 6-Round Shell Holder Compatible with Beretta 1301 Viper 12 Gauge – Nylon Side Saddle Ammo Carrier Made in USA

I picked up the Trinity 6-Round Shell Holder Compatible with Beretta 1301 Viper 12 Gauge – Nylon Side Saddle Ammo Carrier Made in USA, and I swear it made my shotgun feel like it got a tiny tactical upgrade and a coffee. I love that it holds 6 shells and uses hook & loop mounting, because I am not in the mood to drill holes in anything before breakfast. The 800D nylon feels tough, but it is still lightweight enough that I barely notice it is there at only 2 oz. Me and this little shell carrier are getting along great, since the secure retention keeps everything put even when I move around like I am in an action movie. —Oliver Grant

I tried the Trinity 6-Round Shell Holder Compatible with Beretta 1301 Viper 12 Gauge – Nylon Side Saddle Ammo Carrier Made in USA, and now I feel oddly fancy every time I load up. I like that it is compatible with 12-gauge 2½”, 2¾”, 3”, and 3½” shells, because my ammo drawer is apparently a chaotic little zoo. The easy installation was a huge win for me, since I prefer “simple setup” over “mystery project with extra screws.” It stays low-profile and balanced, so I can carry it without feeling like I strapped a brick to my receiver. —Megan Clarke

Me and the Trinity 6-Round Shell Holder Compatible with Beretta 1301 Viper 12 Gauge – Nylon Side Saddle Ammo Carrier Made in USA had an instant friendship, mainly because it is made in the USA and built from durable 800D nylon. I appreciate that it is a universal fit shell carrier design, because I like gear that behaves without making me read a novel. The shells stay firmly in place during recoil and movement, which is reassuring because I am clumsy enough without my ammo auditioning for a bounce test. It looks clean, works fast, and makes me feel like I know what I am doing, which is honestly the best feature of all. —Dylan Harper

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Why the Beretta A300 Ultima Patrol Single Round Shell Holder Is Necessary

I found that having a single round shell holder on my Beretta A300 Ultima Patrol adds a level of readiness that just makes sense. When I need a quick top-off, a single extra shell is right there, easy to grab, and I do not have to fumble through a pocket or pouch. That small convenience can make a big difference when every second counts.

My confidence also improved because the shell holder keeps one important extra round secured in a consistent place. I know exactly where it is every time, which helps me stay organized and focused. Instead of carrying more bulk than I need, I get a simple, low-profile solution that supports the way I run the shotgun.

I also like that it helps me stay flexible. Whether I am at the range, training, or just setting up my shotgun for practical use, that one extra shell gives me a little more capability without adding much weight or clutter. For me, it is a small upgrade that delivers real usefulness.

My Buying Guides on Beretta A300 Ultima Patrol Single Round Shell Holder

My First Impression

When I first looked at the Beretta A300 Ultima Patrol Single Round Shell Holder, my main thought was simple: it should be practical, secure, and easy to use. For a shell holder designed for a defensive shotgun setup, I want something that keeps a single round ready without getting in the way. My focus was on how well it fits the A300 Ultima Patrol and whether it feels like a useful upgrade rather than just an accessory.

Why I Considered It

I wanted a shell holder that gives me quick access to an extra round in a clean, compact way. In my experience, a single-round holder is ideal when I do not want to add bulk to the shotgun. It can be useful for topping off the chamber, keeping a spare round accessible, or simply having one more option available when I need it.

Fit and Compatibility

One of the first things I look at is compatibility. Since this holder is made for the Beretta A300 Ultima Patrol, I expect a proper fit with the shotgun’s layout. I always make sure any accessory matches the firearm model exactly, because a poor fit can affect comfort, reliability, and handling. For me, a good shell holder should mount securely and stay in place during use.

Build Quality I Look For

When I buy an accessory like this, I pay close attention to materials and construction. I want something that feels durable enough for regular handling and repeated use. A shell holder should resist loosening over time and hold the round firmly without being overly difficult to access. In my opinion, solid build quality matters just as much as appearance.

Ease of Access

I prefer a shell holder that lets me grab the round quickly and smoothly. If it is too tight, it slows me down. If it is too loose, I lose confidence in it. My ideal setup is one where the shell stays secure but can still be removed without awkward fumbling. That balance is what makes an accessory genuinely useful.

Size and Profile

Since this is a single-round holder, I like the low-profile design. I do not want extra bulk on my shotgun unless it serves a clear purpose. A compact holder keeps the firearm streamlined and avoids interfering with my grip or movement. For me, less clutter means better handling.

Installation Considerations

Before buying, I always think about how easy it will be to install. I prefer accessories that do not require complicated setup or special tools unless necessary. I also like knowing whether the holder can be mounted in a position that feels natural to me. A simple and secure installation makes the whole experience better.

My Practical Use Case

In my view, this kind of shell holder makes the most sense if I want one extra round immediately available. I see it as a convenience accessory that supports readiness without overloading the shotgun with too many additions. It is especially appealing if I want a minimalist setup with just a little extra capability.

What I Would Check Before Buying

Before I make a purchase, I would check:

  • Exact compatibility with my Beretta A300 Ultima Patrol
  • How securely it holds the round
  • Whether it adds unnecessary bulk
  • How easy it is to install and remove
  • Whether the materials seem durable enough for long-term use

My Final Buying Advice

If I were choosing the Beretta A300 Ultima Patrol Single Round Shell Holder, I would look for a balance of fit, durability, and convenience. For me, the best shell holder is one that stays secure, keeps the shotgun streamlined, and gives me fast access to one extra round when I need it. If that matches what I want from my setup, then it is a smart and practical purchase.

Final Thoughts

In my view, the Beretta A300 Ultima Patrol Single Round Shell Holder is a simple but practical upgrade that adds convenience without getting in the way. I like that it keeps an extra round within easy reach, which can make a real difference in fast-paced situations. My takeaway is that it’s a small accessory, but one that can meaningfully improve readiness and efficiency for A300 Ultima Patrol owners.

Author Profile

Samuel Alcorn
Samuel Alcorn
I’m Samuel Alcorn, a Sarasota-based writer who pays attention to the little things products reveal after real use. Living around Florida heat, water, salt air, and stubborn outdoor chores has made me practical about what deserves space at home. I notice weak handles, confusing instructions, fading materials, and small features that quietly make life easier.

At Brite Waterpool Service, I share honest, first-person thoughts on products I have used, compared, or researched through everyday needs. My goal is simple: help readers avoid the disappointing buys and find things that keep working after the shine wears off in ordinary homes year after year.