SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights Review

Let’s Dive into SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights

The SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights offers a modular upgrade for one of the most popular pistol platforms on the market. SIG SAUER provides an optic-ready, suppressor-height sighted slide, allowing users to enhance their existing P320 without purchasing an entirely new firearm. This is a fantastic option for those seeking improved functionality and versatility from their P320 platform.

I’ve been running a P320 Compact for years, primarily for concealed carry and occasional range use. However, I wanted to explore red dot optics and occasionally utilize a suppressor, which meant I needed a new slide assembly. The SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights seemed like the ideal solution, providing both features in a single, factory-made package.

Out of the box, the slide assembly feels robust and well-machined. The Nitride finish is smooth and even, promising excellent corrosion resistance. The X-Ray3 suppressor-height sights are immediately impressive, offering a clear and bright sight picture, even in low-light conditions.

I considered a few aftermarket slides from companies like Zaffiri Precision and Grey Ghost Precision. However, I opted for the SIG SAUER factory slide for guaranteed compatibility and the peace of mind that comes with a SIG SAUER product. I was initially excited to upgrade my existing P320 with these features.


Real-World Testing: Putting SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights to the Test

First Use Experience

My first range trip with the SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights was at my local outdoor range. The weather was a typical Pacific Northwest day – slightly overcast with a light drizzle. The optic installation was straightforward, mounting a Holosun 507C with ease.

The slide cycled flawlessly with various 9mm loads, from 115-grain FMJ to 147-grain JHP. The higher sights provided a clear view above the suppressor body when attached. There were no noticeable issues or malfunctions during the first 200 rounds.

Extended Use & Reliability

After several months of use, the SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights has proven to be extremely reliable. I have put approximately 1000 rounds through it without any malfunctions related to the slide assembly. The Nitride finish has held up exceptionally well, showing no signs of wear despite regular use and cleaning.

Cleaning the slide assembly is straightforward, requiring only basic gun cleaning tools and solvents. The X-Ray3 sights remain bright and functional, and the optic mounting screws have remained secure. This slide assembly outperformed my expectations and remains a staple upgrade to my P320.

Breaking Down the Features of SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights

Specifications

The SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights boasts several key specifications. It is chambered in 9mm Luger and is compatible with the P320 Compact (non-X-Series), Carry, and Full-size (X-Series and non-X-Series) grip modules. The slide is optic-ready, accommodating ROMEO1-PRO, ROMEO2, Delta Point Pro, and RMR (with a sealing plate) footprints.

The slide is finished with a durable Nitride coating and constructed from Stainless Steel. These materials ensure corrosion resistance and long-term durability. The slide assembly includes X-Ray3 Day/Night Suppressor Height Sights for enhanced visibility in various lighting conditions.

Performance & Functionality

The SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights performs admirably, enhancing the functionality of the P320 platform. The optic-ready design allows for quick and easy red dot installation, improving target acquisition and accuracy. The suppressor-height sights provide a clear sight picture even when using a suppressor.

The slide cycles smoothly and reliably with various 9mm ammunition types. One slight weakness is the need for a sealing plate when using an RMR optic, which adds an extra cost and complexity. The slide meets my expectations for a factory-upgraded slide assembly.

Design & Ergonomics

The SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights features a well-designed and ergonomic profile. The Stainless Steel construction provides a solid and durable feel without adding excessive weight. The slide is comfortable to manipulate, and the serrations offer a secure grip for racking.

The slide integrates seamlessly with the P320 grip module. There is no learning curve associated with using this slide assembly.

Durability & Maintenance

The Nitride finish and Stainless Steel construction ensure excellent durability for the SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights. With proper care and maintenance, this slide assembly should last for many years of reliable service. Cleaning is straightforward, requiring only basic gun cleaning tools and solvents.

Accessories and Customization Options

The SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights is designed for customization. The optic-ready cut allows for mounting various red dot sights, including ROMEO1-PRO, ROMEO2, Delta Point Pro, and RMR (with a sealing plate). Users can also customize the barrel and recoil spring assembly to fine-tune the performance of their P320. The slide is compatible with a wide range of aftermarket P320 accessories.

Pros and Cons of SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights

Pros

  • Optic-ready design allows for easy red dot sight installation.
  • X-Ray3 Day/Night Suppressor Height Sights provide excellent visibility in all lighting conditions.
  • Durable Nitride finish and Stainless Steel construction ensure long-lasting performance.
  • Seamlessly integrates with P320 Compact, Carry, and Full-size grip modules.
  • Reliable cycling with various 9mm ammunition types.

Cons

  • RMR optic requires a sealing plate for proper installation, adding extra cost.
  • Slide assembly does not include a barrel or recoil spring assembly.


Who Should Buy SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights?

The SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights is perfect for P320 owners looking to upgrade their existing pistol with optic-ready capabilities and suppressor-height sights. It is an excellent choice for competitive shooters, tactical enthusiasts, and anyone seeking to improve the versatility of their P320.

This product may not be ideal for those who are content with iron sights only or who do not plan to use a suppressor. A must-have accessory is the appropriate sealing plate if planning to mount an RMR optic.

Conclusion on SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights

The SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights is a worthwhile upgrade for any P320 owner seeking enhanced functionality and versatility. The optic-ready design, suppressor-height sights, and durable construction make it a valuable addition to the P320 platform. At $336.49, the price is justified considering the features and quality offered.

I would personally recommend this slide assembly to anyone looking to modernize their P320. Upgrade your P320 today and experience the difference!

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