
Sig Sauer CALX320F40BSS10 P320 Full Size X-Change Kit 40 S&W Sig 320 Handgun Black
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Unlock Unrivaled Versatility with the Sig Sauer P320 Full Size X-Change Kit in .40 S&W
For firearm enthusiasts and responsible gun owners seeking unparalleled modularity and adaptability, the Sig Sauer P320 platform stands as a beacon of innovation. At the heart of this system's remarkable flexibility is the ability to transform your pistol to meet diverse needs, whether for range training, competitive shooting, or personal defense. The Sig Sauer P320 Full Size X-Change Kit in .40 S&W (CALX-320F-40-BSS-10) offers a definitive solution for those who own a Sig P320 and wish to expand its capabilities by effortlessly converting it to the potent .40 Smith & Wesson caliber.
Why Consider a Caliber Exchange Kit for Your Sig P320?
Many P320 owners often ask, "What's the best way to get more out of my existing Sig Sauer handgun?" or "How can I adapt my P320 for different shooting scenarios without buying a new gun?" The answer frequently points to caliber exchange kits. These kits empower you to switch calibers and often frame sizes on your existing P320, leveraging the modular fire control unit (FCU) that defines the P320 series.
Key benefits of investing in a P320 X-Change Kit include:
- Cost-Effectiveness: Instead of purchasing an entirely new firearm for a different caliber, a conversion kit provides a significantly more economical alternative. This allows you to allocate your budget to ammunition, training, or other essential accessories.
- Enhanced Versatility: Transform your P320 into a multi-caliber workhorse. One day you might be training with a 9mm, and the next, practicing with the more powerful .40 S&W, all with the same familiar ergonomics of your P320 FCU. This versatility is crucial for shooters who engage in varied disciplines or prefer to have options for different defensive needs.
- Familiarity and Consistency: Maintaining the same P320 fire control unit means your trigger pull, grip angle, and overall feel remain consistent, regardless of the caliber or frame size you switch to. This consistency is invaluable for building muscle memory and improving shooting proficiency across different configurations.
- Ease of Conversion: Sig Sauer designed the P320 for tool-less caliber and frame swaps. The process is straightforward, allowing even novice users to quickly and safely convert their firearm in minutes.
- Optimized for Performance: Each component in an X-Change kit, including the slide, barrel, and recoil spring, is engineered by Sig Sauer to deliver the same reliability and accuracy you expect from a factory-built firearm in that specific caliber.
What Does the Sig Sauer P320 Full Size X-Change Kit in .40 S&W Include?
This comprehensive kit provides everything you need to convert your existing P320 FCU into a full-size .40 S&W handgun. It’s designed for seamless integration and optimal performance.
The CALX-320F-40-BSS-10 kit typically includes:
- Full-Size Slide: Machined from robust steel, finished in a durable black nitride coating for superior corrosion resistance and wear. This slide is specifically designed to accommodate the .40 S&W cartridge and provide the necessary mass for reliable cycling.
- .40 S&W Barrel: A precision-engineered barrel calibrated for optimal accuracy and performance with .40 S&W ammunition. The barrel length contributes to the full-size configuration, offering a longer sight radius and increased muzzle velocity.
- Recoil Spring Assembly: Matched to the .40 S&W caliber for proper function and reduced felt recoil, ensuring smooth operation and dependable cycling.
- Full-Size Polymer Grip Module: Ergonomically designed for comfortable handling and a secure grip, featuring an integrated accessory rail for mounting lights or lasers. This module provides the substantial feel and control desired in a full-size pistol.
- One .40 S&W Magazine: A factory original magazine, typically with a 10-round capacity (though capacity may vary based on local regulations and specific kit versions), ensuring reliable feeding of the .40 S&W rounds.
Please note that the P320 Fire Control Unit (FCU) itself is not included, as this kit is intended for owners who already possess a P320 handgun.
Understanding the .40 S&W Caliber
The .40 S&W (Smith & Wesson) cartridge holds a significant place in the world of defensive and duty ammunition. Developed in 1990 as a collaboration between Smith & Wesson and Winchester, it was designed to bridge the gap between the 9mm Luger and the .45 ACP, offering a balance of manageable recoil with substantial stopping power.
Why choose .40 S&W for your P320?
- Increased Energy and Momentum: Compared to 9mm, the .40 S&W delivers more kinetic energy and momentum, which translates to a more authoritative impact on target. This makes it a popular choice for law enforcement and personal defense applications where robust performance is desired.
- Versatile Ammunition Selection: A wide array of ammunition types is available for .40 S&W, including various bullet weights and designs, allowing shooters to tailor their choice for specific purposes, from target practice to self-defense.
- Proven Track Record: The .40 S&W has been adopted by numerous law enforcement agencies worldwide, attesting to its reliability and effectiveness in critical situations.
- Enhanced Barrier Penetration: The heavier bullet weights often associated with .40 S&W can sometimes offer better penetration through certain intermediate barriers compared to lighter calibers, an important consideration for defensive scenarios.
Converting your P320 to .40 S&W with this kit provides you with a robust, powerful, and adaptable firearm capable of handling a broader range of applications.
Seamless Installation and Uncompromising Sig Sauer Quality
One of the most appealing aspects of the Sig Sauer P320 system is its user-friendly modularity. Converting your P320 with the X-Change kit is a process that requires no specialized tools or gunsmithing expertise.
General steps for converting your P320 using an X-Change Kit:
- Ensure Safety: Always begin by ensuring your firearm is unloaded. Remove the magazine and visually and physically check the chamber to confirm it is empty.
- Remove Slide Assembly: Remove the existing slide assembly from your P320 by locking the slide back, rotating the takedown lever, and carefully sliding the assembly forward and off the frame.
- Remove Fire Control Unit (FCU): Once the slide is off, rotate the takedown lever further and carefully lift the Fire Control Unit (FCU) out of the grip module. The FCU is the serialized part of your P320.
- Insert FCU into New Grip Module: Place the FCU into the new full-size .40 S&W grip module provided in the kit, ensuring it seats properly.
- Assemble New Slide: Take the new .40 S&W slide, barrel, and recoil spring assembly from the kit.
- Attach New Slide Assembly: Slide the new complete slide assembly onto the rails of the new grip module with the FCU installed. Ensure it is fully seated and then rotate the takedown lever back into its locked position.
- Function Check: Perform a thorough function check to ensure all components are properly installed and operating safely. This includes checking the trigger, safety features, and slide lock.
This straightforward process underscores Sig Sauer's commitment to user empowerment and the practical adaptability of the P320 platform. Every component in this kit is manufactured to Sig Sauer's exacting standards, ensuring perfect fit, finish, and reliable function. You can trust that the parts provided are genuine Sig Sauer components, designed for optimal performance with your P320. This attention to detail reflects Sig Sauer's reputation for crafting battle-proven firearms and accessories that professionals and enthusiasts rely on worldwide.
Optimizing Your P320 Experience
Beyond the initial conversion, maximizing the utility of your Sig Sauer P320 Full Size X-Change Kit involves considering how it integrates into your overall shooting activities.
- Training and Practice: The .40 S&W caliber, while more powerful than 9mm, is generally considered controllable with proper technique. Regular practice is essential to master the recoil impulse and achieve accuracy. This kit provides an excellent opportunity to expand your training regimen and become proficient with multiple calibers.
- Ammunition Selection: Experiment with different brands and types of .40 S&W ammunition to find what performs best in your P320. Factors like bullet weight (e.g., 165-grain, 180-grain), bullet type (e.g., Full Metal Jacket for practice, Jacketed Hollow Point for defense), and manufacturer will influence felt recoil and accuracy.
- Holster Compatibility: A full-size P320 with a .40 S&W conversion will generally fit holsters designed for full-size P320 pistols. Always verify compatibility with your specific holster setup.
- Magazine Management: Ensure you have an adequate supply of .40 S&W magazines specifically for your converted P320. While some magazines might technically fit other calibers, using the correct magazine for the caliber is critical for reliable feeding and preventing malfunctions.
- Maintenance: Proper cleaning and lubrication are vital for any firearm. After converting and shooting with your .40 S&W kit, follow Sig Sauer's recommended maintenance procedures for the slide, barrel, and recoil spring assembly to ensure longevity and consistent performance.
This kit is not just an accessory; it's an investment in the longevity and adaptability of your Sig Sauer P320, allowing it to grow with your skills and needs. It provides a unique value proposition, extending the life and utility of your existing firearm. Shooters looking for "the best way to customize a Sig P320" or "how to get multiple calibers from one handgun" will find the P320 X-Change system to be an ideal answer.
All genuine Sig Sauer products, including the P320 Full Size X-Change Kit in .40 S&W (CALX-320F-40-BSS-10), are available for purchase at DEGuns. We ensure that our customers receive authentic, high-quality firearm components designed to enhance their shooting experience and ensure the continued reliability of their Sig Sauer firearms. Trust DEGuns for your firearm and accessory needs, knowing you're acquiring products that meet the highest standards of performance and safety.
Product Specifications Overview
| Component | Detail |
|---|---|
| Model | Sig Sauer P320 X-Change Kit |
| Caliber | .40 S&W |
| Size | Full Size |
| Color | Black |
| UPC | 798681534005 |
| Part Number | CALX-320F-40-BSS-10 |
| Includes | Slide, Barrel, Recoil Spring, Grip Module, Magazine |
| Compatibility | Sig Sauer P320 Fire Control Unit |
| Seller | DEGuns |
Specifications
Explore the specific details and characteristics
- SKU
- CALX320F40BSS10







