Reloading a shotgun can be slow, especially under pressure. That’s why a side saddle for your Mossberg 590 can be a game-changer. It keeps extra rounds right where you need them, making reloads faster and smoother. But with so many options, finding the right one can feel overwhelming. I’ve tested a bunch, and I’m here to share my top picks for the best side saddles for your Mossberg 590.
Here’s a quick overview of the top contenders, for those who want the highlights:
- TacStar Slimline Side Saddle: Low profile, easy install.
- Mesa Tactical High Tube Telescoping Stock Adapter with Side Saddle: Combines stock adapter and shell carrier.
- CDM Gear B&M Mossberg 500/590 Light Mount w/ Shell Carrier: Integrated light mount and shell holder.
- Esstac Shotgun Cards: Flexible, hook-and-loop attachment.
- GG&G Mossberg 590 Side Saddle Shell Holder: Durable, metal construction.
Top 5 Best Side Saddle for Mossberg 590 Reviews
1. TacStar Slimline Side Saddle
The TacStar Slimline Side Saddle is a popular choice because it adds extra shell capacity without significantly increasing the bulk of your shotgun. It’s made from a durable, weatherproof material and is designed for easy, no-gunsmithing installation. I like how streamlined it feels on the 590.
Pros:
- ✅ Slim and lightweight design.
- ✅ Easy to install, no gunsmithing required.
- ✅ Weatherproof construction.
Cons:
- ❌ Shell retention can be a bit tight initially.
- ❌ Polymer construction, might not be as durable as metal options.
- ❌ Requires removal of the trigger pins.
Verdict: Great option for those looking for a simple, low-profile shell carrier that’s easy to install. Ideal for recreational shooters and home defense.
2. Mesa Tactical High Tube Telescoping Stock Adapter with Side Saddle
The Mesa Tactical High Tube is more than just a side saddle; it’s a complete stock adapter system that also incorporates a shell carrier. It allows you to mount an AR-style collapsible stock to your Mossberg 590 while keeping extra rounds on the receiver. I found it very solid and improved the ergonomics of my shotgun.
Pros:
- ✅ Combines stock adapter and shell carrier in one unit.
- ✅ Allows for AR-style stock customization.
- ✅ High-quality, durable construction.
Cons:
- ❌ More expensive than other side saddle options.
- ❌ Requires more involved installation.
- ❌ Adds more weight to the shotgun.
Verdict: Best for users who want to upgrade their stock and add shell capacity simultaneously. Perfect for tactical applications and serious shooters.
3. CDM Gear B&M Mossberg 500/590 Light Mount w/ Shell Carrier
The CDM Gear B&M mount solves two problems at once: adding a light and extra shells. This cleverly designed accessory clamps onto your shotgun’s magazine tube and provides a mounting point for a flashlight along with a side-mounted shell carrier. I appreciate the all-in-one design.
Pros:
- ✅ Integrated light mount and shell carrier.
- ✅ Durable aluminum construction.
- ✅ Streamlined design.
Cons:
- ❌ Can be tricky to install perfectly straight.
- ❌ Limited shell capacity compared to some other options.
- ❌ Flashlight mount may not be compatible with all light models.
Verdict: A smart choice for those who want to add a light and extra shells without adding excessive bulk. Good for home defense and tactical use.
4. Esstac Shotgun Cards
Esstac Shotgun Cards offer a different approach to carrying extra shells. These cards feature a hook-and-loop backing that attaches to a corresponding loop panel on your shotgun. This allows you to quickly swap out empty cards for full ones. I like that it is modular and adaptable to other platforms.
Pros:
- ✅ Highly versatile and modular.
- ✅ Easy to swap out cards quickly.
- ✅ Low profile and lightweight.
Cons:
- ❌ Requires a loop panel to be attached to the shotgun.
- ❌ Shell retention can vary depending on the card’s wear.
- ❌ Hook-and-loop may wear out over time.
Verdict: Great for those who value flexibility and speed in reloading. Ideal for competition shooters and those who want a modular system.
5. GG&G Mossberg 590 Side Saddle Shell Holder
The GG&G Mossberg 590 Side Saddle Shell Holder is known for its ruggedness. Made from CNC-machined aluminum, this side saddle is built to withstand serious use. It securely holds shells in place and provides a reliable way to carry extra ammunition. I’ve always been impressed with its robust design.
Pros:
- ✅ Extremely durable, CNC-machined aluminum construction.
- ✅ Secure shell retention.
- ✅ Sleek, low-profile design.
Cons:
- ❌ Can be more expensive than polymer options.
- ❌ Requires some disassembly of the shotgun for installation.
- ❌ Metal construction can add weight.
Verdict: Best for those who need a bomb-proof side saddle that can handle heavy use and harsh conditions. Ideal for law enforcement, military, and serious shooters.
Buying Guide
Choosing the right side saddle for your Mossberg 590 depends on your specific needs and preferences. Here’s what to consider:
- Capacity: How many extra rounds do you want to carry? Side saddles typically hold 4-8 shells.
- Material: Polymer side saddles are lightweight and affordable, while aluminum ones are more durable but can add weight.
- Mounting: Some side saddles attach using existing receiver pins, while others require more involved installation. Consider your comfort level with disassembly.
- Profile: A slim, low-profile side saddle won’t snag easily and will maintain the shotgun’s balance.
- Retention: Make sure the side saddle holds shells securely, even under recoil.
- Intended Use: Are you using the shotgun for home defense, competition, or tactical applications? Choose a side saddle that’s appropriate for your needs.
FAQs
Q: Will a side saddle fit all Mossberg 590 models?
A: Most side saddles are designed to fit standard Mossberg 590 models, but it’s always best to double-check compatibility before purchasing. Some models with heat shields or other accessories may require specific side saddles.
Q: Can I install a side saddle myself, or do I need a gunsmith?
A: Many side saddles are designed for easy, DIY installation. However, some models require more involved disassembly and may be best installed by a qualified gunsmith if you’re not comfortable working on firearms.
Q: Will a side saddle interfere with the shotgun’s operation?
A: A properly installed side saddle should not interfere with the shotgun’s operation. Make sure to follow the manufacturer’s instructions carefully and test the shotgun after installation to ensure everything is working correctly.
Q: How do I maintain my side saddle?
A: Regularly inspect your side saddle for any signs of wear or damage. Clean it with a mild solvent and lubricate any moving parts as needed. Check shell retention regularly and replace the side saddle if it becomes loose or unreliable.
Q: Are shotgun cards better than traditional side saddles?
A: It depends on your needs. Shotgun cards offer modularity and fast reloading, while traditional side saddles offer a more fixed and secure shell storage solution. Consider which features are most important to you.
Conclusion
A side saddle is a worthwhile upgrade for any Mossberg 590 owner who wants to improve their reloading speed and carry extra ammunition. Whether you prioritize simplicity, durability, or modularity, there’s a side saddle out there that’s perfect for your needs. Consider your budget, intended use, and installation preferences to make the best choice for your shotgun.
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