Ever feel like your Sig Sauer P320 just needs a little more “oomph”? Maybe you’ve found yourself wishing for a few extra rounds when you’re at the range, or perhaps you’re looking to make your trusty sidearm feel even more comfortable in your hand. If so, you’re not alone! Choosing the right P320 magazine extension can feel like navigating a maze. There are so many choices out there, and it’s tough to know which one will actually work best for you and your specific needs.
It’s a common frustration for P320 owners who want to improve their shooting experience. You want more capacity, better grip, or just a cool upgrade, but the sheer number of options can be overwhelming. What fits? What’s reliable? What won’t break the bank? We get it. This guide is here to cut through the confusion. By the time you finish reading, you’ll have a much clearer picture of what to look for and how to pick the perfect P320 magazine extension to match your shooting style and preferences.
So, let’s dive in and explore the world of P320 magazine extensions. We’ll break down the key features, discuss the pros and cons of different types, and help you make a smart choice that will enhance your P320’s performance and your overall shooting satisfaction.
Our Top 5 P320 Mag Extension Recommendations at a Glance
Top 5 P320 Mag Extension Detailed Reviews
1. NDZ Performance Magazine Base Plate Extension for Sig P320 X Series & XFIVE Legion 9MM Laser Engraved Anodized Aluminum in Black
Rating: 9.4/10
Upgrade your Sig P320 X Series and XFIVE Legion with this tough, stylish magazine base plate extension from NDZ Performance. Made from strong aluminum, it’s a cool replacement for the usual plastic ones. It’s designed to work with magwells and makes dropping your magazine faster. Plus, it looks great and is made right here in the USA!
What We Like:
- Makes magazine drops quicker and easier.
- Built tough from aircraft-grade aluminum.
- Looks much cooler than the factory plastic plates.
- Easy to install, no special tools needed.
- Proudly made in the USA.
- Works with magwells and different insert types.
What Could Be Improved:
- Doesn’t add more bullets to your magazine.
- The “Plain” version lacks the custom laser engraving option for easy identification.
This NDZ Performance base plate is a solid upgrade for your Sig P320. It offers better function and a sharper look, all while being made with quality and durability in mind.
2. NDZ Performance Weighted Brass Magazine Base Plate Extension for P320 X Series & X5 Legion 9mm – for Use with Magwell – Plain Finish
Rating: 8.9/10
Upgrade your P320 X Series or X5 Legion 9mm with the NDZ Performance Weighted Brass Magazine Base Plate Extension. This extension adds crucial weight to your magazines, making them drop faster and smoother. It’s built tough and designed to work perfectly with magwells, helping you reload quicker and shoot better.
What We Like:
- Heavier brass construction (2.55 oz) gives your pistol better balance and control.
- CNC-machined for a precise fit on P320 X Series and X5 Legion 9mm magazines.
- Helps magazines eject quickly and reliably, which is great for competition.
- Works well with magwells for a more comfortable and consistent grip.
- Available in cool finishes like Armor Black Cerakote or Polished Brass, with an “Aspis cut” design.
- Proudly made in the USA with high-quality materials.
What Could Be Improved:
- The added weight might feel too much for some shooters who prefer a lighter setup.
- It’s specifically designed for use with magwells, so it might not be ideal if you don’t use one.
This brass extension is a solid choice for anyone looking to boost their P320’s performance. It offers a noticeable improvement in handling and reload speed.
3. NDZ Performance Weighted Brass Magazine Base Plate Extension for P320 X Series & X5 Legion 9mm – for Use with Magwell – Armor Black Cerakote Finish
Rating: 9.4/10
Upgrade your SIG Sauer P320 X Series or X5 Legion 9mm with the NDZ Performance Weighted Brass Magazine Base Plate Extension. This heavy-duty extension adds much-needed weight for better handling and faster reloads. It’s made from solid brass and designed to work with magwells, making your firearm feel more balanced. Plus, it comes in a cool Armor Black Cerakote finish.
What We Like:
- Superior Balance & Control: The 2.55 oz brass construction makes your P320 feel more stable. This extra weight helps you control recoil better.
- Faster, Smoother Mag Drops: The added mass helps magazines eject more quickly and reliably. This is a big help during competitions or intense shooting.
- Perfect Fit for P320 X Series & X5 Legion: It’s specifically designed for these popular P320 models in 9mm. It works great with magwells for a consistent feel.
- Durable & High-Quality: CNC-machined from solid brass, this extension is built to last. The Armor Black Cerakote finish looks sharp and protects the metal.
- Proudly American Made: NDZ Performance makes this extension in the USA from US-sourced materials, ensuring top quality.
What Could Be Improved:
- Weight is a Factor: While the weight is a pro for performance, it does add extra ounces to your firearm.
- Magwell Dependent: This extension is designed for use with a magwell, so it might not be the best choice if you don’t run one.
This NDZ Performance base plate extension is a solid upgrade for serious P320 shooters. It adds noticeable performance benefits that can make a real difference on the range or in competition.
4. NDZ Performance Weighted Brass Magazine Base Plate Extension for P320 X Series & X5 Legion 9mm – for Use with Magwell – Armor Black Cerakote Finish
Rating: 9.4/10
If you own a P320 X Series or X5 Legion 9mm and want to make your reloads faster and smoother, the NDZ Performance Weighted Brass Magazine Base Plate Extension is a game-changer. This extension adds significant weight to your magazines, which helps them drop out quicker and easier, especially when you’re in a hurry. It’s built tough and designed to work perfectly with your magwell, making your shooting experience even better.
What We Like:
- It’s made from heavy brass. This makes your gun feel more balanced and easier to control.
- The extra weight helps your magazine pop out faster. This is great for competitions.
- It fits P320 X Series and X5 Legion 9mm models perfectly.
- It works well with magwells for a better feel and more consistent reloads.
- The Armor Black Cerakote finish looks cool and is very durable.
- It’s made right here in the USA with high-quality materials.
What Could Be Improved:
- The added weight might not be ideal for everyone. Some shooters prefer a lighter setup.
- It’s designed specifically for use with magwells. If you don’t use a magwell, this might not be the right fit for you.
This brass extension is a smart upgrade for P320 owners looking to improve their reload speed and overall firearm handling. It’s a solid piece of American-made gear that delivers real performance benefits.
5. NDZ Performance Heavyweight Brass Extended Magazine Plate for Sig P320
Rating: 9.4/10
Upgrade your Sig P320, P320X, or X5 Legion with the NDZ Performance Heavyweight Brass Extended Magazine Plate. This plate adds weight to your firearm for better balance and makes magazine changes smoother and faster. It’s built tough and looks great, too.
What We Like:
- The heavyweight brass construction adds 2.55 ounces. This helps your gun feel more balanced in your hands. It also makes your magazine drop out more reliably when you need to reload quickly.
- This plate fits all Sig P320 magazines perfectly, including the P320X and X5 Legion models. You don’t have to worry about it not fitting.
- It works great with magwells. This means your magazine changes will be even faster and smoother, which is important when you need to reload in a hurry.
- You can choose between a plain brass look or an Armor Black Cerakote finish. You can even get it laser-engraved with your own custom designs to make it truly yours.
- It’s made right here in the USA, in Connecticut. NDZ Performance makes high-quality, durable products you can count on.
What Could Be Improved:
- While the brass adds weight, some users might prefer an even lighter option for a different feel.
- The customizable finish options are great, but they do add to the overall cost.
This magazine plate offers a solid upgrade for your Sig P320. It improves performance and allows for personal style.
Upgrade Your P320: A Guide to Magazine Extensions
So, you own a Sig Sauer P320 and want to make it even better? A P320 magazine extension is a great way to do it! These handy accessories add more rounds to your magazine, meaning fewer reloads at the range or in a self-defense situation. Let’s dive into what you need to know before you buy.
What to Look For in a P320 Magazine Extension
When you’re shopping for a P320 magazine extension, a few key features will make a big difference in your experience.
Capacity Boost
This is the main reason people buy extensions. Extensions can add anywhere from 2 to 7 extra rounds, depending on the model. Think about how many extra rounds you want. More rounds mean you can shoot longer without stopping.
Fit and Compatibility
Not all extensions work with all P320 models or all magazine types. Make sure the extension is designed for your specific P320 model (e.g., P320 Compact, P320 Full-Size). Also, check if it works with the magazine you already have. A good extension will fit snugly and securely.
Ease of Installation
You want an extension that’s simple to put on. Most extensions just slide onto the base of your existing magazine. Some might require a small tool or a bit of a push, but it shouldn’t be complicated. You shouldn’t need to be a gunsmith to install it.
Ergonomics and Grip
Some extensions are designed to give you a better grip on your pistol. They might add a bit more length to the grip, making it easier to hold, especially for shooters with larger hands. This can improve your control and shooting comfort.
Materials Matter
The material of your magazine extension affects its durability and how it feels.
Polymer
Many extensions are made of strong polymer. This material is lightweight and tough. It can handle drops and impacts well. Polymer extensions are often more affordable.
- Pros: Lightweight, durable, cost-effective.
- Cons: Can sometimes feel less premium than metal.
Aluminum
Some higher-end extensions use aluminum. Aluminum is very strong and adds a solid feel to your magazine. It’s also resistant to corrosion.
- Pros: Very durable, premium feel, resistant to rust.
- Cons: Can be heavier and more expensive than polymer.
Quality: What Makes an Extension Great (or Not So Great)?
Several factors determine if an extension is top-notch or just okay.
Tight Fit
A quality extension fits perfectly onto your magazine. There should be no wobble or looseness. A sloppy fit can cause feeding issues.
Reliable Feeding
The extension must allow the rounds to feed smoothly into the chamber. Poorly designed extensions can cause jams. Read reviews to see if others have had feeding problems.
- Factors that improve quality: Precision manufacturing, good design that doesn’t interfere with follower movement.
- Factors that reduce quality: Loose tolerances, sharp edges, designs that hinder spring or follower function.
Durability
A good extension will last a long time. It won’t crack or break easily, even with regular use. Look for extensions made by reputable brands known for quality.
User Experience and Use Cases
How you use your P320 will help you decide which extension is best.
Range Practice
If you spend a lot of time at the shooting range, an extension that adds more rounds is fantastic. You’ll spend less time reloading and more time shooting. This is great for practicing drills or just having fun.
Self-Defense
For self-defense, every round counts. An extension that increases your magazine capacity can give you more confidence. It means you have more shots available if you need them.
Competition Shooting
In some shooting competitions, having more rounds can be an advantage. It might mean fewer magazine changes during a stage, saving you precious time.
Comfort and Grip
If you find your pinky finger doesn’t quite fit on your P320’s grip, an extension can solve that. It adds a little extra space, making the pistol more comfortable to hold and shoot.
Frequently Asked Questions (FAQ) about P320 Magazine Extensions
Q1: How many extra rounds can a P320 magazine extension add?
A: P320 magazine extensions typically add between 2 and 7 extra rounds, depending on the specific model and your P320’s original magazine size.
Q2: Will a P320 magazine extension fit any P320 model?
A: No, you need to make sure the extension is designed for your specific P320 model (like Compact, Full-Size, or Subcompact) and often the specific magazine capacity you are starting with. Always check the product description.
Q3: Are P320 magazine extensions difficult to install?
A: Most P320 magazine extensions are designed for easy installation. They usually slide onto the base of your existing magazine and may click or screw into place. It’s generally a simple process.
Q4: What are the most common materials used for P320 magazine extensions?
A: The most common materials are durable polymer and strong aluminum. Polymer is lighter and more affordable, while aluminum offers a more premium feel and sometimes greater durability.
Q5: Can a magazine extension improve my grip on the P320?
A: Yes, many extensions add a bit more length to the base of the magazine. This can provide a better grip, especially for shooters with larger hands, and can help keep your pinky finger from dangling off the grip.
Q6: Will a magazine extension affect the reliability of my P320?
A: A well-made, properly installed extension should not affect reliability. However, poorly designed or installed extensions can sometimes cause feeding issues. Buying from reputable brands helps ensure reliability.
Q7: Are there different types of magazine extensions for the P320?
A: Yes, you’ll find extensions that simply add capacity, and others that are designed to improve grip as well. Some are flush-fit, while others extend further down.
Q8: What’s the difference between a flush-fit extension and an extended one?
A: A flush-fit extension is designed to match the original grip length of your magazine, just with more capacity. An extended one will make the grip longer, which can improve control and add more rounds.
Q9: Can I use a P320 magazine extension with any P320 magazine?
A: Usually, extensions are designed for specific P320 magazine types (e.g., 15-round, 17-round). It’s important to confirm compatibility with your existing magazines.
Q10: Where can I buy P320 magazine extensions?
A: You can find P320 magazine extensions at most online firearm accessory retailers, sporting goods stores, and directly from manufacturers.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.
Hi, I’m Mette Morgan—a lifelong pet enthusiast and the heart behind PetNobs.com.. My journey with animals began at an early age, and over the years, I’ve gathered invaluable experiences and insights on everything from everyday pet care to the unique quirks each animal brings to our lives. Here at PetNobs, I share my genuine passion, practical tips, and personal stories to help you create a loving, well-informed environment for your furry, feathered, or scaled friends. Welcome to my little corner of the pet world—it’s a joy to have you here!