Does your Smith & Wesson M&P 40 feel a little… plain? Maybe you’ve carried it for a while, and it’s time to make it truly your own. You’re not alone! Many M&P 40 owners look for ways to make their pistol even better for shooting, carrying, or just looking cool.
But where do you even start with upgrades? It can feel overwhelming. There are so many sights, triggers, grips, and other parts out there. You want to spend your money wisely on things that actually make a difference. You might worry about picking the wrong part or making your gun harder to use.
Don’t worry! This post is here to help you sort through all the choices. We’ll break down some of the most popular and effective upgrades for your M&P 40. You’ll learn what makes each upgrade great and how it can improve your shooting experience. By the end, you’ll have a much clearer idea of how to personalize your M&P 40.
Let’s dive in and discover how to transform your M&P 40 into the perfect pistol for you!
Our Top 5 M&P 40 Upgrades Recommendations at a Glance
Top 5 M&P 40 Upgrades Detailed Reviews
1. GVN Grip Extension Fits S&W M&P Shield (Both 9mm and.40 Cal) Grip Extension -2 Pieces Black
Rating: 9.3/10
The GVN Grip Extension is a great addition for your S&W M&P Shield. This two-pack of black grip extensions is designed specifically for the 9mm and .40 caliber Shield models. They make your pistol feel more comfortable and give you better control when you shoot. Plus, they look like they came with the gun right from the factory.
What We Like:
- These extensions give you a better place for your fingers to rest. This helps you hold the gun steadier and shoot more accurately.
- They make it easier to pull out the magazine when you need to reload.
- The extensions blend in with your handgun’s shape and texture. They have a nice, factory-made look.
- They are made from strong plastic that can handle extreme temperatures, from very cold (-20°F) to very hot (350°F).
- You get two extensions in the pack, so you can outfit multiple pistols or have a spare.
What Could Be Improved:
- These extensions will not fit the S&W M&P Shield Plus, EZ, or .45 ACP models. Make sure you have the right Shield before buying.
If you own a compatible S&W M&P Shield, these grip extensions are a smart upgrade. They improve handling and appearance without making your gun harder to hide.
2. M&P Shield 9mm Holster
Rating: 8.9/10
Looking for a reliable way to carry your Smith & Wesson M&P Shield? This OWB paddle holster is designed for your 3.1-inch barrel Shield 9mm/40, Shield Plus, and Shield 2.0. It offers a secure and comfortable carry experience for right-handed users.
What We Like:
- The quick-release button makes drawing your firearm fast and smooth.
- It has an auto-locking feature that keeps your gun securely in place when holstered.
- You can adjust the carrying angle to your preference using the included Allen key.
- The paddle can be attached to belts up to 2 inches wide and is easy to remove.
- Made from tough, lightweight polymer, it’s built to last and resist damage.
- It’s great for many uses like training, hunting, or daily personal defense.
What Could Be Improved:
- This holster only fits specific Shield models and won’t work with optics, lasers, or lights.
- It does not fit the M&P Shield EZ models.
This holster offers a solid combination of security and quick access for your M&P Shield. It’s a practical choice for anyone prioritizing a safe and efficient carry.
3. POLE.CRAFT M&P 40 Holster
Rating: 9.1/10
Carrying your S&W M&P 40 has never been easier or more secure with the POLE.CRAFT KYDEX IWB Holster. This holster is built for everyday carry, offering a reliable way to keep your pistol hidden and protected. It’s designed specifically for the M&P 40 4″ and 4.25″ models, ensuring a perfect fit. You can wear it with confidence, knowing your firearm is safely concealed and readily accessible.
What We Like:
- It’s made from durable US .08” KYDEX, making it lightweight, waterproof, and easy to clean.
- You can adjust the cant (the angle of the holster) with a simple screwdriver for a better draw and easier concealment.
- The retention pressure is adjustable, letting you set how tightly the pistol fits in the holster for a quick draw.
- It’s designed to prevent sweat from reaching your pistol and keep your clothes from getting caught.
- It comes with a lifetime warranty, so you can trust in its quality.
What Could Be Improved:
- While it can be worn outside the belt, you need to buy a different hand model for that specific use.
This POLE.CRAFT holster offers a great balance of security, comfort, and customization for your S&W M&P 40. It’s a solid choice for anyone looking for a reliable inside-the-waistband carry solution.
4. MakerShot 3D Aluminum Slide Cover Plate
Rating: 8.5/10
Give your S&W M&P Shield a cool new look with the MakerShot 3D Aluminum Slide Cover Plate. This plate replaces the plain plastic one on your gun. It’s made of strong aluminum, so it’s tough and looks great. You can pick a design that shows off your style. The Skull design is one of many awesome choices.
What We Like:
- It’s made of strong aluminum, not plastic.
- It’s easy to put on your gun. No special tools are needed.
- You can choose from many cool designs like skulls, flags, and more.
- It makes your gun look unique.
- It fits S&W M&P Shield 9, 40, and Shield Plus models.
What Could Be Improved:
- Not every design is available for every gun model.
- You need to check carefully to make sure it fits your specific gun.
This MakerShot slide cover plate is a simple way to upgrade your firearm. It adds a personal touch and a bit of toughness to your everyday carry.
5. Pachmayr Grip Extender Black Smith & Wesson M&P Compact
Rating: 9.2/10
The Pachmayr Grip Extender for the Smith & Wesson M&P Compact is a simple yet effective accessory. It’s designed to give you a better grip on your pistol, especially if you have larger hands. This extender fits the 9mm and .40 caliber models, making it a good option for many M&P Compact owners. It’s made of a tough material that can handle regular use. Adding this to your firearm can make a difference in how you handle it.
What We Like:
- It gives you a more comfortable and secure hold on your pistol.
- The extender is easy to install, so you don’t need special tools.
- It’s made from durable material that should last a long time.
- It can help improve your shooting accuracy by giving you a steadier grip.
What Could Be Improved:
- The “N/A” feature means we don’t have specific details on what makes it stand out beyond its basic function.
- It might add a little bulk to the grip, which some users might not prefer.
This Pachmayr Grip Extender is a solid accessory for your Smith & Wesson M&P Compact. It’s a straightforward way to improve your handling and control.
Upgrading Your M&P 40: A Buyer’s Guide
So, you’ve got an M&P 40, and you’re thinking about making it even better. That’s a great idea! Upgrading your pistol can make it more comfortable to shoot, more accurate, and even look cooler. This guide will help you choose the right parts.
Key Features to Look For in M&P 40 Upgrades
When you’re shopping for upgrades, keep these important things in mind:
- Ergonomics: This means how the gun feels in your hand. Things like grip size, texture, and how easy it is to reach the controls can make a big difference. A better grip means you can hold the gun more securely.
- Trigger: The trigger is what you pull to fire the gun. Upgraded triggers can be lighter, smoother, and have a cleaner break. This helps you shoot more accurately.
- Sights: Sights are what you use to aim. Better sights can be brighter or easier to see in different lighting conditions. This helps you hit your target.
- Reliability: Any part you add should make your gun work just as well, or even better. You don’t want parts that jam or break.
- Compatibility: Make sure the parts you buy are made specifically for the M&P 40. Not all parts fit all guns.
Important Materials in M&P 40 Upgrades
The materials used in upgrades affect how they perform and last.
- Steel: Many trigger parts, barrels, and slide components are made of steel. Good quality steel is strong and durable.
- Polymer: The grip modules are usually made of strong polymer. Some aftermarket grips might use different textures of polymer for better hold.
- Aluminum: Some slide sights or other small parts might be made of lightweight aluminum.
- Grip Enhancements: Things like Talon Grips often use rubber or sandpaper-like materials for a better grip.
Factors That Improve or Reduce Quality
Some things make an upgrade great, and others can make it worse.
- Improve Quality:
- Precision Machining: Parts made with exact measurements will fit better and work smoother.
- Good Reviews: See what other people say about a product.
- Reputable Brands: Stick with companies known for making good firearm parts.
- Reduce Quality:
- Poor Fitment: Parts that don’t fit well can cause malfunctions.
- Cheap Materials: Low-quality materials can wear out quickly or break.
- Ignoring Reviews: Buying something without checking if it works for others is risky.
User Experience and Use Cases
How you use your M&P 40 matters when choosing upgrades.
- Everyday Carry (EDC): If you carry your pistol every day, you’ll want upgrades that make it comfortable and reliable. A slimmer grip or a smoother trigger can be very helpful.
- Target Shooting/Competition: For the range, you might focus on accuracy. A match-grade barrel or a better trigger can improve your scores. Brighter sights also help.
- Home Defense: For this, reliability and ease of use are key. Upgrades that make it faster to get on target or handle recoil can be beneficial.
Frequently Asked Questions (FAQ) for M&P 40 Upgrades
Q: What are the most popular upgrades for an M&P 40?
A: The most popular upgrades usually include trigger kits, grip modules, sights, and magazine extensions.
Q: Will upgrading my trigger make my M&P 40 easier to shoot?
A: Yes, a good trigger upgrade can make the trigger pull lighter and smoother, which helps with accuracy and reduces finger fatigue.
Q: Are there different grip options for the M&P 40?
A: Yes, you can find different sized and textured grip modules, as well as grip sleeves or tapes, to improve the feel and handling.
Q: What kind of sights are best for an M&P 40?
A: This depends on your use. Fiber optic sights are bright for daylight, while night sights have glowing dots for low light. Some people prefer iron sights for durability.
Q: Can I change the barrel on my M&P 40?
A: Yes, you can upgrade to a match-grade barrel for improved accuracy, but make sure it’s compatible with your specific M&P 40 model.
Q: What are magazine extensions, and why would I want one?
A: Magazine extensions add extra rounds to your magazine, giving you more shots before reloading. They can also provide a better grip for your pinky finger.
Q: How do I know if an upgrade part will fit my M&P 40?
A: Always check the product description to ensure it specifically states compatibility with your M&P 40 model (e.g., M&P 40 Shield, M&P 40 Full Size).
Q: Are there upgrades that can make my M&P 40 lighter?
A: While the frame is polymer, some aftermarket slides or internal components made from lighter materials could slightly reduce weight, but this is less common than comfort or performance upgrades.
Q: Is it difficult to install M&P 40 upgrades?
A: Some upgrades, like grip tapes, are very easy. Others, like trigger kits or barrels, might require specific tools and some mechanical knowledge. Many people do it themselves, but gunsmiths are also an option.
Q: Where should I buy M&P 40 upgrade parts?
A: Reputable online gun parts retailers, specialty firearm accessory stores, and sometimes directly from the manufacturers are good places to start.
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.
I’m the recipe developer and food photographer behind Air Fryer at Tiffany’s. I’m also a wife, mom to two adventurous little boys, registered nurse, and live in the great Midwest. Join me as I show you new ways to use your air fryer that you never knew possible.