Choosing the best side saddle for your Mossberg 590 improves your shotgun’s ammo access and reload speed. A good side saddle holds shells securely and fits the shotgun perfectly.
Side saddles help carry extra shotgun shells on your Mossberg 590. They keep ammunition easy to reach during use. Many options exist, but not all fit well or hold shells firmly. Some side saddles attach directly to the receiver or rail, while others clamp on the side.
Popular models include Monstrum, TacStar, and Mesa Tactical, each offering different capacities and designs. Choosing the right one depends on how many shells you want to carry and your shooting needs. This guide covers top side saddles for Mossberg 590 shotguns, focusing on fit, durability, and ease of use.
Monstrum Side Saddle Shell Holder For Mossberg 500/590/shockwave Series Shotguns

The Monstrum Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shotguns in 12 Gauge is ideal for shotgun owners who want quick and easy access to extra shells during hunting, tactical operations, or home defense. This accessory is perfect for enthusiasts seeking to enhance their shotgun’s functionality and carry additional ammunition securely and conveniently.
Pros:
- Durable construction ensures long-lasting use in rugged conditions.
- Custom fit for Mossberg 500, 590, and Shockwave models for secure attachment.
- Holds extra 12 gauge shells for quick reloads.
- Tan color blends well with tactical gear and outdoor environments.
- Lightweight design does not add significant bulk to the shotgun.
Cons:
- Limited to specific Mossberg shotgun models; not universal.
- Tan color may not suit all users’ aesthetic preferences.
The Monstrum Side Saddle Shell Holder is engineered to provide shotgun users with a reliable and efficient way to carry additional shells. Its precise fit for Mossberg 500, 590, and Shockwave series ensures that the holder stays firmly attached during movement and recoil, preventing any shell loss or rattling. The durable materials used in its construction withstand harsh outdoor conditions, making it a dependable choice for hunters and tactical operators alike.
Beyond durability, this side saddle shell holder enhances user readiness by allowing for faster reload times. Having extra 12 gauge shells mounted directly on the shotgun means users can access ammunition without fumbling through pockets or bags. Its tan finish not only adds a professional, tactical look but also helps the holder blend into natural surroundings, which is advantageous for hunters requiring camouflage. Overall, this accessory is a practical upgrade that combines convenience, durability, and functionality.
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Tacstar 6 Shot Sidesaddle Black

The TacStar 6 Shot Sidesaddle Black is ideal for tactical enthusiasts and home defense practitioners looking for a reliable and efficient way to carry extra shotgun shells. This product is perfect for those who need quick access to their ammunition, ensuring they are always prepared for any situation. Whether you’re an experienced shooter or just starting, this accessory can enhance your shotgun handling capabilities.
Pros:
- Durable construction for long-lasting use
- Lightweight design does not add much weight to the shotgun
- Easy installation without the need for gunsmithing
- Holds six extra shells for quick reloading
Cons:
- Limited to six shells, which may not be enough for some users
- Black color might not be suitable for all shotgun finishes
The TacStar 6 Shot Sidesaddle Black features a robust construction that ensures durability even in the most demanding conditions. Made by Lyman Products Corp., a trusted name in firearm accessories, this sidesaddle is designed to withstand rigorous use. Its lightweight yet sturdy design means it won’t significantly affect the balance or handling of your shotgun, making it an excellent choice for both field and tactical applications.
Installing the TacStar Sidesaddle is a breeze, thanks to its easy, no-gunsmithing required setup. This means you can quickly attach it to your shotgun and be ready for action in no time. The sidesaddle securely holds six extra shells, allowing for rapid reloading during high-pressure situations. Its black color provides a sleek, tactical look, although it might not match all firearm finishes. Overall, this accessory is a valuable addition for anyone looking to enhance their shotgun’s functionality.
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Tacstar Slimline Sidesaddle Shell Holder

The TacStar Slimline SideSaddle Shell Holder is ideal for firearm enthusiasts who own a Mossberg 500/590 or Maverick 88 shotgun and seek a convenient, accessible way to carry extra shotgun shells. This accessory is perfect for hunters, competitive shooters, and tactical users who want to enhance their reload speed and overall efficiency in the field or on the range.
Pros:
- Compact and slim design for minimal bulk on the shotgun.
- Holds multiple shells securely for quick access.
- Durable black finish that complements most shotgun styles.
- Lightweight at only 0.45 pounds, adding minimal weight to the firearm.
- Easy installation and removal on Mossberg 500/590 and Maverick 88 models.
Cons:
- Limited compatibility with other shotgun models.
- Capacity may not be sufficient for users needing to carry more shells.
- Only available in black, which may not suit all aesthetic preferences.
The TacStar Slimline SideSaddle Shell Holder features a sleek, low-profile design measuring 2.5 inches in height, 7.5 inches in width, and 8.0 inches in length. This compact size ensures that it does not interfere with the handling or balance of your Mossberg 500/590 or Maverick 88 shotgun. Constructed by Big Rock Sports, the shell holder is built with durable materials to withstand rugged use in various outdoor environments.
One of the main benefits of this shell holder is its ability to securely store extra shotgun shells on the side of the firearm, allowing for faster reloads during critical moments. The lightweight design at 0.45 pounds means it adds minimal weight, preserving the shotgun’s maneuverability. Additionally, its simple installation process means users can quickly attach or detach the holder as needed, making it an excellent accessory for those who value both convenience and performance.
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Tactical Scorpion Gear Tsg-scm Sidesaddle Shotshell Carrier

The Tactical Scorpion Gear TSG-SCM Sidesaddle Shotshell Carrier is ideal for shooters and hunters who use Mossberg 500, 590, or 590da 12 Gauge Shotguns. This product is perfect for those seeking a reliable and convenient way to carry extra shotshells securely on their shotgun for quick reloads during hunting, tactical situations, or competitive shooting. If you need an efficient and durable accessory to enhance your shotgun’s ammo capacity without compromising mobility, this carrier is designed for you.
Pros:
- Made by Tactical Scorpion Gear, ensuring high-quality construction and reliability
- Lightweight design at only 0.43 pounds, adding minimal weight to your setup
- Fits perfectly on Mossberg 500, 590, and 590da models, providing a secure attachment
- Durable black color finish that blends well with tactical gear
- Allows for quick and easy access to additional 12 gauge shotshells for faster reloads
Cons:
- Limited to specific shotgun models, not universal
- Holds a limited number of shotshells compared to larger carriers
- Black color may not suit all user preferences or camo requirements
The TSG-SCM Sidesaddle Shotshell Carrier is engineered to attach securely to the receiver of compatible Mossberg 12 gauge shotguns. Its lightweight yet sturdy construction ensures that it does not interfere with the shotgun’s balance or handling. Users benefit from having extra rounds readily accessible on the side of their firearm, significantly reducing reload time during critical moments. The black finish enhances durability by resisting scratches and wear, maintaining a professional tactical appearance over time.
With this carrier, shooters can rely on a practical and compact solution to carry additional ammunition without bulky pouches or bags. The precise fit for popular Mossberg models means users do not have to worry about loose or unstable shells, improving safety and performance. Overall, this accessory is a valuable addition for anyone looking to enhance their shotgun’s functionality with minimal added weight and maximum convenience.
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Monstrum Side Saddle 12 Gauge Shotgun Shell Holder

The Monstrum Side Saddle 12 Gauge Shotgun Shell Holder is ideal for shotgun owners who use models such as the Maverick 88, Mossberg 500/590, and Shockwave Series. This accessory is perfect for hunters, law enforcement personnel, and shooting sports enthusiasts who want quick and easy access to extra shells during critical moments. If you need a reliable and convenient way to carry additional 12 gauge shotgun shells, this product is designed to meet those needs.
Pros:
- Compatible with popular shotgun models like Maverick 88, Mossberg 500/590, and Shockwave Series.
- Lightweight design weighing only 0.489375 pounds, adding minimal bulk to your shotgun.
- Durable construction by trusted brand Monstrum ensures long-lasting performance.
- Keeps extra shells securely in place for quick reloads during hunting or tactical use.
Cons:
- Limited to holding only 12 gauge shells, so not suitable for other calibers.
- May not fit shotgun models outside the specified compatibility list.
The Monstrum Side Saddle Shell Holder features a streamlined design that mounts easily onto compatible shotguns, providing immediate access to additional shells without fumbling through pockets or bags. Its lightweight yet sturdy build ensures it adds functionality without compromising the balance or handling of your firearm. This holder enhances your shooting efficiency by keeping shells organized and ready for quick reloads in the field or at the range.
Crafted by Monstrum, a reputable manufacturer known for quality gun accessories, this side saddle shell holder is built to withstand rugged use and harsh conditions. Its secure retention system keeps shells firmly in place, reducing the risk of losing ammunition during movement. Overall, this accessory is a practical and valuable addition for anyone looking to improve their shotgun’s capacity and reload speed.
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Monstrum Side Saddle Shotgun Shell Holder V2

The Monstrum Side Saddle Shotgun Shell Holder V2 is ideal for firearm enthusiasts and tactical shooters who use Mossberg 590 or Shockwave Series Shotguns. If you need quick access to extra shells during hunting, home defense, or tactical operations, this accessory offers a practical and efficient solution to keep your ammunition organized and readily available.
Pros:
- Compatible specifically with Mossberg 590 and Shockwave Series Shotguns ensuring a perfect fit.
- Durable construction from quality materials for long-lasting use.
- Holds multiple shotgun shells securely for quick reloads.
- Easy to install without requiring special tools or modifications.
- Compact and lightweight design that doesn’t add bulk to your shotgun.
Cons:
- Limited compatibility only with select Mossberg models.
- May not fit oversized or specialty shotgun shells.
The Monstrum Side Saddle Shotgun Shell Holder V2 is engineered to enhance your shotgun’s functionality by providing a reliable and accessible shell storage option mounted on the side. This design ensures that extra shells are within easy reach, reducing reload time and increasing efficiency during critical moments. Its secure retention system keeps the shells firmly in place even during vigorous movement or recoil.
Crafted by Monstrum, the shell holder boasts a rugged build quality that stands up to harsh conditions often encountered in tactical and outdoor environments. The holder’s seamless compatibility with the Mossberg 590 and Shockwave Series means users do not have to worry about fitment issues, making it a practical upgrade for those models. Overall, this accessory enhances your shotgun’s readiness without compromising on comfort or ease of use.
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Mesa Tactical Sureshell Shotgun Shell Carrier For Mossberg 500/590

The Mesa Tactical SureShell shotgun shell carrier for Mossberg 500/590 (6-Shell, 12-GA) is ideal for shooters and hunters who want quick and easy access to extra shells while in the field or at the range. This product is perfect for those who prioritize efficiency and reliability in their shotgun setup and need a durable, lightweight solution to carry ammunition securely on their firearm.
Pros:
- Durable matte black finish resists wear and corrosion
- Lightweight design at only 9.0 ounces for minimal added weight
- Holds 6 shotgun shells for quick reloads
- Specifically designed to fit Mossberg 500/590 models perfectly
- Easy to install and remove without tools
Cons:
- Compatible only with Mossberg 500/590 models, limiting versatility
- Holds only 6 shells, which may not be enough for extended use
The Mesa Tactical SureShell shotgun shell carrier features a rugged and practical design tailored for Mossberg 500 and 590 shotguns. Its matte black finish not only provides a sleek look but also adds resistance to scratches and corrosion, ensuring long-lasting performance. With a total weight of just 9.0 ounces, it adds minimal bulk to your firearm, maintaining maneuverability and balance during use.
Users benefit from quick access to ammunition thanks to the carrier’s secure yet easily accessible shell holding system. This allows for faster reloads in critical situations such as hunting or tactical applications. The carrier’s straightforward installation process means shooters can attach or detach it swiftly without the need for specialized tools, making it a convenient upgrade for any Mossberg shotgun owner.
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Gotical Receiver Mounted Shell Carrier Side Saddle 12 Gauge Shotgun Shell Holder

The Gotical Receiver Mounted Shell Carrier Side Saddle is ideal for shotgun enthusiasts who use models like the Mossberg 500, 590, Shockwave, or Maverick 88 Series. This accessory is perfect for hunters, sport shooters, and tactical users who want quick and easy access to extra 12 gauge shotgun shells during their activities. If you need a reliable and convenient shell holder that mounts directly on your shotgun receiver, this product is designed for you.
Pros:
- Holds up to six 12 gauge shotgun shells securely
- Compatible with multiple shotgun models including Mossberg 500, 590, Shockwave, and Maverick 88
- Easy to install on the receiver without requiring special tools
- Durable construction from high-quality materials ensures long-lasting use
- Provides quick access to extra shells, improving reload efficiency
Cons:
- Only fits specific shotgun models, limiting universal compatibility
- May add slight weight to the shotgun, affecting balance for some users
- Limited to holding six shells, which might be insufficient for extended use
The Gotical Receiver Mounted Shell Carrier is designed to enhance the functionality of your shotgun by providing a convenient storage solution for extra shells. Its mounting system ensures a secure fit on your shotgun receiver, allowing you to carry additional ammunition without the need for extra pouches or belts. The side saddle design keeps shells within easy reach, significantly reducing reload time during hunting or tactical scenarios.
Constructed with durability in mind, this shell carrier withstands outdoor conditions and frequent use. Its compatibility with popular shotgun models like the Mossberg 500, 590, Shockwave, and Maverick 88 makes it a versatile choice for many users. Whether you are in the field or at the range, this accessory offers practical benefits by keeping your shotgun well-equipped and ready for action.
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Tacstar Industries Shotgun Rail Mount

The TacStar Industries 1081029 Shotgun Rail Mount with Sidesaddle is ideal for firearm enthusiasts and professionals who use the Mossberg 500 series shotguns. This accessory is perfect for hunters, tactical shooters, and law enforcement officers seeking to enhance their shotgun’s versatility by adding optics and extra shell storage in a compact, efficient design.
Pros:
- Durable black finish provides corrosion resistance and a tactical look.
- Integrated sidesaddle shell holder offers quick access to extra shotgun shells.
- Sturdy rail mount allows attachment of scopes, red dot sights, or other accessories.
- Lightweight design at only 1.0 pound, maintaining shotgun balance.
- Easy installation tailored specifically for Mossberg shotguns.
Cons:
- Compatibility limited to Mossberg 500 series, not universal for all shotguns.
- May add some bulk to the shotgun, which could affect maneuverability in tight spaces.
The TacStar Industries 1081029 Shotgun Rail Mount stands out with its dual functionality. Its robust rail system allows users to mount various optics for improved accuracy, while the integrated sidesaddle shell holder keeps extra rounds within quick reach. This combination enhances both operational efficiency and reload speed during critical situations.
Constructed from durable materials, the mount is designed to withstand harsh environments and heavy use without compromising firearm balance due to its lightweight nature. Measuring approximately 8 inches in length, 5 inches in width, and 3 inches in height, it offers a compact solution that integrates seamlessly with the Mossberg platform, making it a valuable upgrade for those who demand reliability and enhanced functionality from their shotguns.
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Frequently Asked Questions
What Is The Best Side Saddle For Mossberg 590?
The Monstrum Side Saddle Shell Holder V2 is highly recommended. It fits Mossberg 590 and Shockwave series. It holds six 12-gauge shells securely. Its durable polymer design ensures long-lasting use and easy access during shooting.
How Many Shells Can A Mossberg 590 Side Saddle Hold?
Most side saddles for Mossberg 590 hold between 4 to 6 shells. For example, TacStar and Mesa Tactical models hold 6 shells. This capacity balances ammo availability and weight for efficient reloads.
Are Side Saddles Compatible With Maverick 88 Shotguns?
Yes, many side saddles like Monstrum and TacStar fit Maverick 88 models. These saddles are designed for Mossberg 500/590 and Maverick 88, offering versatile compatibility across similar shotgun platforms.
Can I Mount A Tacstar Side Saddle On Mossberg 500?
Yes, TacStar Slimline and 6-Shot side saddles fit Mossberg 500 and 590 models. They provide secure shell storage and easy accessibility for tactical or hunting use.
What Material Is Used For Mossberg 590 Side Saddles?
Most side saddles use high-strength polymer or injection-molded plastic. These materials offer durability and lightweight handling, essential for tactical shotgun accessories like Monstrum and Tactical Scorpion Gear products.
Conclusion
Choosing the best side saddle for your Mossberg 590 improves your shooting experience. A good side saddle keeps extra shells close and ready. It helps with faster reloads and better handling in the field. Options like the Monstrum, TacStar, and Mesa Tactical offer reliable storage and easy mounting.
Some models hold up to six 12-gauge shells, fitting various Mossberg series. Think about the material, capacity, and fit when picking your side saddle. Comfort and durability matter for long use. A well-chosen side saddle adds convenience without adding much weight.
It also keeps your shotgun organized and ready for action. Whether for hunting, sport, or defense, the right side saddle makes a difference. Check compatibility with your Mossberg model for the best fit. Small details can improve your shooting time and efficiency.
Choose wisely and enjoy better performance with your shotgun.