From triggers to sights, each product will be reviewed with detailed specifications, best features, pros, cons, and user experiences, along with customer comments to provide a well-rounded view of why these upgrades are ideal for the P320.

Top Upgrades

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Barrels & Parts⁠

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Slides & Parts⁠

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Triggers & Parts⁠

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Frames & Parts⁠

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Sights & Parts⁠

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Safeties & Parts⁠

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Action Parts⁠

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Grips⁠

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Hammer Parts⁠

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Recoil Parts⁠

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Magazines⁠

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Top 7 Best Upgrades For Sig Sauer P320 of 2024

1. Grayguns P320 Adjustable Straight Trigger

Specifications:

Material: Stainless steel

Weight: 0.8 ounces

Adjustment: Over-travel and pre-travel

Best Features:

Precise adjustment options

Enhanced trigger control and feel

Durable stainless steel construction

Pros:

Customizable for personal preference

Improves trigger pull consistency

Easy installation

Cons:

Slightly expensive compared to stock triggers

May require some fitting for perfect function

Experience:

Switching to the Grayguns P320 Adjustable Straight Trigger was a game-changer for me. The ability to fine-tune the over-travel and pre-travel adjustments allowed me to get the exact trigger pull I wanted, making my shots more accurate and my trigger control more consistent. The stainless steel construction ensures durability, and despite the higher price, it’s worth every penny for the performance boost.

Customer Comments:

"The trigger pull is much smoother and more predictable."

"Installation was straightforward, and the improvement is noticeable."

"A bit pricey, but you get what you pay for."

2. Trijicon HD XR Night Sights

Specifications:

Front Sight Width: 0.122 inches

Rear Sight Notch: 0.169 inches

Illumination: Tritium phosphor lamp

Best Features:

Enhanced target acquisition

Superior visibility in low-light conditions

Durable metal construction

Pros:

Clear and bright sight picture

Easy to install

Rugged and reliable

Cons:

Higher cost compared to standard sights

Some users may find the front sight too wide

Experience:

Upgrading to the Trijicon HD XR Night Sights significantly improved my shooting accuracy, especially in low-light scenarios. The tritium phosphor lamps provide exceptional brightness and visibility, making target acquisition fast and easy. While they are more expensive than standard sights, the improvement in performance and confidence in low-light conditions make them an excellent investment.

Customer Comments:

"These sights are incredibly bright and easy to see."

"Made a huge difference in my accuracy at night."

"Worth the price for the quality and performance."

3. Streamlight TLR-1 HL Weapon Light

Specifications:

Lumens: 1000

Battery: CR123A lithium (2)

Runtime: 1.5 hours

Best Features:

High lumen output for maximum brightness

Durable and lightweight aluminum construction

Quick and easy attachment system

Pros:

Extremely bright light

Long battery life

Easy to mount and detach

Cons:

Bulky for some users

Battery replacement can be cumbersome

Experience:

The Streamlight TLR-1 HL is an essential upgrade for anyone using their P320 for home defense or tactical purposes. The 1000-lumen output is blindingly bright, providing excellent illumination in dark environments. It’s easy to attach and detach, making it convenient for various situations. The only downside is its bulkiness, but the performance more than makes up for it.

Customer Comments:

"This light is insanely bright and easy to use."

"Perfect for my home defense setup."

"A bit bulky, but worth it for the illumination it provides."

4. Wilson Combat Grip Module

Specifications:

Material: Polymer

Compatibility: Sig P320 Full-Size and Compact

Texture: Aggressive grip texture

Best Features:

Improved ergonomics and control

Aggressive texture for better grip

Lightweight and durable

Pros:

Enhances overall feel and control

Easy to install

Available in various colors

Cons:

Texture may be too aggressive for some

Higher price point

Experience:

The Wilson Combat Grip Module completely transformed the handling of my P320. The aggressive texture provides a secure grip, even in wet conditions, and the improved ergonomics make the gun feel more comfortable in my hand. Installation was a breeze, and the overall build quality is top-notch. While the texture might be too much for some, I found it perfect for maintaining control during rapid fire.

Customer Comments:

"Feels great in my hand and improves my grip."

"A bit aggressive, but it’s perfect for competition shooting."

"High-quality and easy to install."

5. Apex Tactical Specialties Forward Set Trigger Bar Kit

Specifications:

Material: Steel

Compatibility: Sig P320

Adjustment: Forward set trigger bar and spring kit

Best Features:

Reduces trigger pull weight

Shortens trigger reset

Improves overall trigger performance

Pros:

Noticeable improvement in trigger pull

Reduces pre-travel and over-travel

Easy to install with basic tools

Cons:

Can be pricey

May require some break-in period

Experience:

Installing the Apex Tactical Specialties Forward Set Trigger Bar Kit made a significant difference in my P320’s trigger performance. The reduced trigger pull weight and shortened reset made shooting smoother and more enjoyable. The installation process was straightforward, and the results were immediately noticeable. Despite the higher cost, the performance enhancement is well worth it.

Customer Comments:

"Made my trigger feel amazing."

"Installation was simple, and the improvement is clear."

"A bit expensive, but the performance boost is worth it."

6. SureFire X300U-B Weapon Light

Specifications:

Lumens: 1000

Battery: CR123A lithium (2)

Runtime: 1.25 hours

Best Features:

Intense 1000-lumen output

Robust and durable design

Ambidextrous switch

Pros:

Extremely bright and reliable

Easy to operate

Durable construction

Cons:

Higher price point

Slightly heavy

Experience:

The SureFire X300U-B is another excellent weapon light that pairs perfectly with the P320. The 1000-lumen output ensures you can see clearly in any situation, and the robust design means it can handle rough use. The ambidextrous switch is a nice touch, allowing easy operation regardless of your dominant hand. While it’s a bit on the heavy side, the performance and reliability are unmatched.

Customer Comments:

"Super bright and built like a tank."

"Perfect for my tactical needs."

"A bit pricey, but you get top-notch quality."

7. Hogue HandALL Beavertail Grip Sleeve

Specifications:

Material: Rubber

Compatibility: Sig P320 Full-Size and Compact

Texture: Finger grooves and beavertail

Best Features:

Enhanced grip comfort

Finger grooves for better control

Easy to install

Pros:

Improves overall grip feel

Affordable upgrade

Simple installation

Cons:

May feel bulky to some users

Limited color options

Experience:

Adding the Hogue HandALL Beavertail Grip Sleeve to my P320 made a noticeable difference in comfort and control. The rubber material provides a cushioned feel, and the finger grooves help with maintaining a solid grip. It’s a simple and affordable upgrade that enhances the overall handling of the gun. While it might feel bulky to some, I found it added just the right amount of thickness.

Customer Comments:

"Feels great and improves my grip."

"Easy to put on and makes shooting more comfortable."

"A bit thick, but I like the added control."

FAQs

1. What are the most important upgrades for the Sig P320?

The most important upgrades for the Sig P320 typically include trigger enhancements, sight improvements, weapon lights, and grip modules. These upgrades can significantly enhance the performance, accuracy, and handling of your firearm.

2. How difficult is it to install these upgrades?

Most of these upgrades are designed for easy installation, often requiring basic tools and minimal gunsmithing knowledge. However, some parts, like trigger kits, might need a bit more attention and possibly professional assistance if you're not comfortable with the installation process.

3. Will upgrading my P320 void the warranty?

It's essential to check with Sig Sauer and the manufacturers of the upgrades regarding warranty policies. Some modifications might void the warranty, while others may not. Always ensure you're aware of the implications before proceeding with any upgrades.

4. Can these upgrades be used on all P320 models?

Most of the upgrades mentioned are compatible with multiple P320 models, but it's always good practice to verify compatibility with your specific model to avoid any fitment issues.

5. Are these upgrades worth the investment?

Yes, these upgrades can significantly improve the functionality, comfort, and performance

of your P320, making them a worthwhile investment for both casual shooters and professionals.

Conclusion

Upgrading your Sig Sauer P320 can transform it from a great handgun into an exceptional one. Whether you’re looking to enhance your trigger, improve your sight picture, or add a reliable weapon light, the products reviewed here offer excellent performance and value. Each upgrade has been chosen for its quality and compatibility with the P320, ensuring you get the best possible results. Remember to always check compatibility with your specific model and follow installation instructions carefully. Happy shooting!

Top Upgrades

Top 7 Best Upgrades For Sig Sauer P320 of 2024

1. Grayguns P320 Adjustable Straight Trigger

2. Trijicon HD XR Night Sights

Specifications:

Best Features: