sig p320 manual safety kit
 
					The Sig P320 Manual Safety Kit enables conversion of non-manual safety P320s to include a thumb-operated safety, mirroring the M17/M18 designs. It provides templates, tools, and components for modifying the Fire Control Unit (FCU) and grip module, allowing seamless integration of a manual safety mechanism. This kit offers flexibility, safety, and compatibility with various P320 configurations, making it a valuable upgrade for enthusiasts and professionals seeking enhanced control and functionality.
Overview of the Sig P320 Manual Safety Kit
The Sig P320 Manual Safety Kit is a comprehensive solution designed to convert non-manual safety P320 firearms into models with a thumb-operated safety mechanism. It includes templates, tools, and components necessary for modifying the Fire Control Unit (FCU) and grip module to accommodate the manual safety feature. The kit is compatible with various P320 configurations, offering users the ability to switch between manual and non-manual safety versions. It provides precise cutting guides and hardware, ensuring a professional-grade installation. This kit is ideal for enthusiasts and professionals seeking enhanced safety and versatility in their P320 platform.
Importance of Manual Safety in Firearms
A manual safety mechanism is a critical feature in firearms, providing an additional layer of protection against accidental discharges. It acts as a physical barrier, ensuring the firearm cannot fire unintentionally, even when holstered or handled improperly. This feature is particularly vital in high-stress situations, where the risk of accidental discharge is heightened. The manual safety also serves as a visual and tactile reminder of the firearm’s status, promoting safe handling practices. For many shooters, a manual safety is a preferred feature, offering enhanced control and peace of mind. Its inclusion in the Sig P320 Manual Safety Kit addresses these concerns, making it a valuable upgrade for safety-conscious users.
Key Features of the Sig P320 Manual Safety Kit
The Sig P320 Manual Safety Kit includes FCU modification templates, grip modification templates, cutting bits, and necessary hardware. It provides precise guides for converting non-manual safety P320s to accept a manual safety, ensuring compatibility with factory specifications. The kit also offers tools for milling the FCU and grip module, allowing users to switch between manual and non-manual configurations. Additionally, it includes components like the MSAFE-T toolkit, which streamlines the installation process. This comprehensive set ensures a professional-grade conversion, enhancing both safety and functionality while maintaining the firearm’s reliability and performance.

Key Features and Components
The kit includes FCU modification templates, grip modification templates, cutting bits, and hardware. It also features the MSAFE-T toolkit for precise modifications, ensuring compatibility with factory specifications.
FCU Modification Templates
The FCU modification templates are essential for accurately modifying the Fire Control Unit to accommodate the manual safety. These templates include a front plate, back plate, screws, nuts, and Allen keys. They guide precise cutting and alignment, ensuring the safety lever fits perfectly. Designed to match M17/M18 specifications, they enable seamless integration of the manual safety mechanism. The templates are durable and reusable, making them ideal for enthusiasts and professionals alike. They ensure accuracy and prevent errors during the modification process, maintaining the firearm’s reliability and performance.
Grip Modification Templates
The grip modification templates are designed to guide precise alterations to the P320 grip module for manual safety compatibility. They include left and right plates, screws, nuts, and an Allen key. These templates ensure accurate cutting and alignment, matching factory specifications for a seamless fit. Compatible with SIG polymer grips and others, they allow for safe and precise modifications. The templates are durable and reusable, making them ideal for enthusiasts and professionals. They simplify the process of converting non-manual safety grips to accommodate the manual safety mechanism, ensuring reliability and performance.
Cutting Bits and Tools
The kit includes high-quality cutting bits and tools essential for modifying the P320. A carbide cutter bit and a tungsten cutter bit are provided for precise cutting of the FCU and grip module. These durable tools ensure clean, accurate cuts, matching factory specifications. The carbide bit is ideal for polymer grips, while the tungsten bit handles harder materials. These tools are part of the MSAFE-T toolkit, designed to simplify the conversion process. They enable users to achieve professional-grade results, ensuring the manual safety installation is both functional and aesthetically pleasing. Additional tools may be required for final assembly and testing.
Hardware and Fasteners Included
The kit includes essential hardware and fasteners to secure modifications. Front and back plates, screws, nuts, and Allen keys are provided for FCU and grip module adjustments. Durable materials ensure long-lasting reliability. These components are designed to align with factory specifications, ensuring a precise fit. The hardware is compatible with both polymer and metal frames, offering versatility for different P320 configurations. Proper installation of these parts is critical for the manual safety to function correctly. The included fasteners simplify the process, ensuring a secure and professional-grade modification. They are tailored to meet the needs of both enthusiasts and professionals.

Benefits of the Manual Safety Kit
The Sig P320 Manual Safety Kit enhances shooter safety, offering a thumb-operated safety for precise control. It provides versatility in firearm configuration and cost-effective upgrades for P320 owners.
Enhanced Safety for the Shooter
The Sig P320 Manual Safety Kit significantly enhances shooter safety by adding a thumb-operated manual safety lever, providing an additional layer of control. This feature prevents accidental discharges, especially in high-stress situations, by requiring intentional engagement. The ergonomic design ensures easy operation without compromising the shooting process. By converting a non-manual safety P320 to include this mechanism, shooters gain peace of mind and improved handling. The kit’s compatibility with various P320 models makes it a versatile solution for enhancing safety across different configurations, ensuring reliability and confidence in firearm operation.
Versatility in Firearm Configuration
The Sig P320 Manual Safety Kit offers unparalleled versatility, allowing shooters to easily convert their non-manual safety P320 to a manual safety configuration. This adaptability enables users to switch between manual and non-manual setups, catering to different shooting preferences and scenarios. The kit is compatible with various P320 models, including the M17 and M18, and works seamlessly with different grip modules like Wilson Combat and Polymer80. This flexibility ensures the P320 remains a highly customizable platform, meeting the diverse needs of shooters while maintaining its renowned performance and reliability across configurations.
Cost-Effectiveness of the Kit
The Sig P320 Manual Safety Kit is a cost-effective solution for upgrading your firearm. It provides all necessary tools and parts in one bundle, eliminating the need for separate purchases. The kit’s DIY-friendly design allows users to perform modifications themselves, reducing labor costs. With shipping included, it offers excellent value for enthusiasts and professionals alike. This kit ensures long-term savings by enabling easy transitions between manual and non-manual configurations, making it a practical investment for P320 owners seeking enhanced functionality without breaking the bank.
Tools and Parts Required
The kit includes FCU modification templates, grip templates, cutting bits, hardware, and tools for precise installation, ensuring all necessary components are provided for a successful upgrade.
Modifier Bundle Components
The Modifier Bundle includes the MSAFE-T toolkit, FCU modification templates, grip modification templates, cutting bits, and hardware. It provides everything needed to convert a non-manual safety P320 to accept a manual safety, offering precise guides for FCU and grip module modifications. The bundle ensures compatibility with factory manual safety parts, allowing seamless integration. Designed for convenience, it includes tools like carbide and tungsten cutter bits, Allen keys, screws, and nuts. This comprehensive set enables users to achieve professional-grade results, enhancing their firearm’s functionality and safety without requiring additional purchases beyond the manual safety parts kit.
Manual Safety Parts Kit Details
The Manual Safety Parts Kit includes left and right safety levers, a manual safety detent, spring, and trigger bar, designed for 9mm, 40 S&W, and 357SIG FCUs. It ensures compatibility with the modified FCU, requiring the detent notch for proper installation. The kit does not include tools or templates, focusing solely on the components needed for the safety mechanism. It is specifically designed for P320 models, offering a reliable and factory-spec solution for adding a manual safety. The parts are crafted to meet Sig Sauer’s standards, ensuring durability and functionality.
Additional Tools Needed for Installation
Beyond the kit’s contents, additional tools are required for a successful installation. A carbide or tungsten cutter bit is necessary for precise cutting, while Allen keys and wrenches facilitate hardware adjustments. A drill press or milling machine may be needed for accuracy in modifying the FCU and grip. Basic firearm disassembly tools, such as punch sets and screwdrivers, are also essential. While the kit provides templates and hardware, having these additional tools ensures a smooth and professional installation process, especially for those unfamiliar with advanced firearm modifications.

Installation Process
The installation involves precise FCU and grip modifications using templates, cutting tools, and hardware. Follow step-by-step instructions for disassembly, modification, and reassembly to ensure proper functionality and safety.
Pre-Installation Checks and Preparations
Before installing the Sig P320 Manual Safety Kit, ensure your firearm is unloaded and all components are compatible. Verify the FCU does not already have a manual safety detent notch, as this determines if conversion is possible. Gather all tools and parts, including the MSAFE-T toolkit, manual safety components, and additional hardware. Refer to the kit’s inventory list to confirm all items are present. Ensure proper workspace preparation, including safety goggles and a clean, stable environment. Consult the step-by-step guide for specific instructions to avoid errors during the process.
Double-check the FCU’s compatibility with the manual safety mechanism, as not all P320 models are suitable. If unsure, contact Sig Sauer’s customer service for verification. Ensure all necessary cutting and drilling tools are calibrated and ready for precise modifications. Familiarize yourself with the templates and their alignment guides to achieve accurate cuts. Proper preparation is critical for a successful and safe installation.
Step-by-Step FCU Modification
Begin by aligning the FCU modification template with the Fire Control Unit, ensuring precise placement using the provided guides. Secure the template firmly to prevent movement during cutting. Use the carbide or tungsten cutter bit to carefully mill the detent notch, following the template’s markings. Maintain steady pressure and work slowly to avoid errors. Once the notch is cut, smooth the edges with a file or sandpaper for a clean finish. Repeat the process for any additional modifications required by the manual safety kit. After completion, reassemble the firearm and test its function to ensure proper operation.
Ensure all cuts align with factory specifications to maintain reliability and safety. If unsure, consult the MSAFE-T toolkit instructions or seek professional assistance. Proper execution of these steps is critical for the manual safety to function correctly.
Grip Module Modification Process
The grip module modification involves using the provided templates to locate the manual safety cutout on the grip. Align the left and right plates with the grip module, ensuring proper fitment. Use the cutting bits to carefully remove material, following the template’s guide. Sand the edges for a smooth finish. This process ensures compatibility with the manual safety FCU. For polymer grips, the kit includes specific templates, while aluminum grips may require additional modifications. Follow the instructions carefully to achieve precise cuts and maintain the grip’s structural integrity.
Ensure all cuts are made with caution and precision to avoid damaging the grip module. Proper alignment and careful cutting are essential for a successful modification.
Assembly and Reassembly of the Firearm
After modifying the FCU and grip module, carefully reassemble the firearm by installing the manual safety lever and ensuring all components are securely fastened. Reattach the FCU to the grip module using the provided hardware, following torque specifications. Double-check the alignment of the safety lever and its proper engagement with the detent. Ensure all internal parts are correctly positioned and function smoothly. Reassembly should be done in a clean, organized workspace to prevent losing small parts. Refer to the manual for specific instructions and torque values to ensure reliability and safety.
Function test the firearm after reassembly to confirm proper operation of the manual safety and overall functionality.
Function Testing After Installation
After installing the manual safety kit, conduct thorough function testing to ensure proper operation. Begin by field-stripping the firearm to inspect the FCU and grip module for correct alignment and clearance. Engage and disengage the safety lever repeatedly to confirm smooth, positive action. Test the trigger function to ensure it operates only when the safety is off. Cycle the action multiple times to verify reliability. Finally, perform live fire testing at the range to confirm the firearm functions flawlessly with the manual safety engaged and disengaged. This step ensures reliability and safety post-installation.
Pay special attention to the safety lever’s engagement and disengagement under various conditions, ensuring it does not inadvertently activate or fail to deactivate.
Tips for a Smooth Installation
For a seamless installation of the Sig P320 Manual Safety Kit, follow these tips. Begin by thoroughly reviewing the instructions and ensuring all tools and parts are organized. Use the MSAFE-T toolkit templates to precisely align the FCU and grip module modifications. Double-check measurements before cutting to avoid errors. Apply steady, controlled pressure when using cutting bits to maintain accuracy. Take your time during the process, as rushing may lead to misalignment or damage. After modifications, test the safety lever’s engagement and disengagement to ensure smooth operation. Finally, reassemble the firearm carefully and conduct a function test to confirm reliability.
Proper preparation and attention to detail are key to a successful installation.

Troubleshooting Common Issues
Common issues during installation include misalignment, lever malfunction, and FCU modification errors. Ensure precise template alignment, proper lever installation, and careful cutting to avoid these problems.
Common Problems During Installation
Common issues during installation include misalignment of the manual safety lever, improper seating of the detent spring, and incorrect cutting of the FCU. Misalignment can occur if templates are not properly secured, leading to inaccurate cutouts. Lever malfunction may arise from improper installation of the safety detent or spring. Additionally, over-cutting or under-cutting the FCU can prevent the safety from functioning correctly. To resolve these, ensure precise template alignment, follow cutting guide specifications, and double-check all components before final assembly. Proper tool usage and adherence to instructions are crucial for a successful installation.
Resolving Misalignment Issues
Misalignment issues during installation can be resolved by ensuring proper template alignment and secure fastening. Verify that all screws and nuts are tightened evenly to prevent shifting. If misalignment occurs, recheck the template placement and adjust as needed. Using the provided Allen keys, ensure all components are snug but not over-tightened. For severe misalignment, consider starting over with a fresh template alignment. Additionally, using a jig or fixture can help maintain accuracy. Always refer to the manual or online guides for troubleshooting specific misalignment scenarios to ensure a precise and functional installation.
Addressing Lever Malfunction
If the manual safety lever malfunctions, inspect for proper installation and alignment. Ensure the safety detent and spring are correctly seated and not obstructed. Verify that the lever moves smoothly without binding. If issues persist, check for debris or damage to the components. Reassemble the firearm carefully, ensuring all parts are aligned and secured properly. If the problem continues, consider replacing the safety lever or detent spring with genuine SIG Sauer parts. Testing the firearm after repairs is essential to confirm proper function and safety.

Maintenance and Upkeep
Regular cleaning and lubrication of the modified firearm are essential. Inspect the safety lever and detent for wear. Follow the manufacturer’s schedule for detailed maintenance and inspections.
Cleaning the Modified Firearm
Cleaning the modified Sig P320 with a manual safety requires careful attention to the new components. Use a soft brush and mild solvent to remove residue from the safety lever and detent. Lubricate the safety mechanism lightly to ensure smooth operation. Regularly inspect the manual safety parts for wear or debris. Follow the manufacturer’s guidelines for disassembly and cleaning to maintain reliability. Proper maintenance ensures the firearm functions safely and efficiently, preserving its performance and longevity.
Lubrication and Care Tips
Proper lubrication is essential for maintaining the Sig P320 manual safety kit’s performance. Apply a high-quality gun oil to the safety lever, detent, and trigger bar. Avoid over-lubrication to prevent debris attraction. Regularly inspect the mechanism for wear or corrosion. Use a soft cloth to wipe down the firearm after use. Store the modified P320 in a dry, cool environment to prevent rust. Lubricate moving parts every 500 rounds or as needed. Proper care ensures smooth operation and longevity of the manual safety components, keeping your firearm reliable and functional.
Regular Inspection Schedule
Regular inspections are crucial for maintaining the Sig P320 manual safety kit’s reliability. Conduct a visual check of the safety lever, detent, and spring monthly to ensure proper alignment and function. Every 500 rounds, disassemble and clean the mechanism to remove debris. Inspect the FCU and grip module for wear or damage. Check all fasteners for tightness and lubricate moving parts as needed. Perform a deep cleaning of the firearm annually, paying attention to the safety components. This routine ensures optimal performance and prevents potential issues, keeping your P320 in prime condition for years.

Safety Tips and Best Practices
Always handle the modified P320 with the safety engaged until ready to fire. Store the firearm unloaded and secured. Regularly inspect the safety mechanism for proper function and ensure all users are trained in its operation.
Safe Handling of the Modified Firearm
Always handle the modified P320 with the manual safety engaged until ready to fire. Ensure the safety lever is in the “safe” position when not actively shooting. Keep fingers away from the trigger until aiming. Use a holster designed for manual safety firearms to prevent accidental disengagement. Regularly inspect the safety mechanism for proper function. Train all users on the modified firearm’s operation to avoid accidents. Store the firearm unloaded and secured when not in use. Always follow basic firearm safety rules, including treating the gun as loaded and keeping it pointed in a safe direction.
Proper Storage and Transportation
Store the modified P320 in a secure, dry location using a high-quality holster or case designed for manual safety firearms. Always store the firearm unloaded with the safety engaged. Use a lockbox or safe to prevent unauthorized access. When transporting, ensure the firearm is unloaded, in a case, and the safety is on. Avoid exposing the firearm to extreme temperatures or moisture. Regularly inspect the safety mechanism before storage or transport. Adhere to local laws and regulations regarding firearm transportation. Proper storage and transport ensure safety and maintain the firearm’s functionality and reliability over time.
Training and Familiarization
Proper training and familiarization with the Sig P320 Manual Safety Kit are essential for safe and effective use. Users should thoroughly understand the operation of the manual safety mechanism, including engagement, disengagement, and its interaction with the firearm’s functionality. Practice handling the modified firearm in a controlled environment to build muscle memory and confidence. Review the step-by-step installation guide and instructional materials provided with the kit. Consider seeking professional instruction to ensure mastery of the safety features and proper techniques. Regular practice and review of safety protocols will enhance proficiency and ensure reliable operation of the modified P320.

Cost and Value Analysis
The Sig P320 Manual Safety Kit offers a cost-effective solution for adding a manual safety, with a competitive price point and included tools, providing excellent value.
Price Comparison of the Kit
The Sig P320 Manual Safety Kit is competitively priced at around $250, offering exceptional value for the included tools and components. It provides a cost-effective solution for converting non-manual safety P320s, with the kit including templates, cutting bits, and hardware. Compared to purchasing individual components or professional installation services, which can exceed $300, the kit offers significant savings. Additionally, it allows users to retain the ability to switch between manual and non-manual configurations, further enhancing its value. This makes it a practical choice for enthusiasts and professionals seeking to enhance their firearm’s functionality without excessive costs.
Value for Money Assessment
The Sig P320 Manual Safety Kit offers exceptional value, providing a comprehensive solution for adding a manual safety to your firearm. Priced around $250, it includes templates, cutting bits, and hardware, making it a cost-effective alternative to professional installation services that can exceed $300. The kit’s versatility allows users to switch between manual and non-manual configurations, enhancing its long-term utility. By enabling DIY installation, it empowers enthusiasts and professionals to save money while maintaining high-quality results. This kit is a practical investment for those seeking enhanced safety and functionality without compromising on value.
Long-Term Benefits of the Kit
The Sig P320 Manual Safety Kit provides lasting advantages, including enhanced firearm adaptability and durability. Its precise engineering ensures reliable performance over time, while the ability to switch between manual and non-manual configurations offers flexibility for varying needs. The kit’s high-quality components and tools maintain their functionality, reducing the need for frequent replacements. Additionally, the manual safety feature can enhance the firearm’s resale value and appeal to enthusiasts. This investment not only improves safety and functionality but also ensures long-term satisfaction and versatility for P320 owners.

Comparison with Other Models
The Sig P320 Manual Safety Kit replicates the M17/M18’s manual safety features while offering unique versatility and cost-effectiveness for P320 owners seeking enhanced control and functionality.
Similarities with M17 and M18 Models
The Sig P320 Manual Safety Kit mirrors the M17 and M18 models by enabling a thumb-operated safety mechanism. It includes templates and tools to modify the FCU and grip module, ensuring precise cutouts that match factory specifications. The kit allows users to replicate the M17/M18’s manual safety functionality, providing a seamless transition for those familiar with these military-grade models. The manual safety lever, detent, and spring are compatible with the P320’s design, maintaining the reliability and performance expected from Sig Sauer firearms. This kit bridges the gap for P320 owners seeking M17/M18-like features without purchasing a new firearm.
Differences from Other P320 Variants
The Sig P320 Manual Safety Kit distinguishes itself by enabling the addition of a thumb-operated safety to non-manual safety P320s, a feature not standard on all variants. Unlike other P320 models, this kit provides specific templates and tools for modifying the FCU and grip module to accommodate the manual safety mechanism. While other variants may lack this functionality or require additional tooling, the Manual Safety Kit offers a cost-effective and versatile solution for users seeking enhanced safety and control without purchasing a new firearm. This makes it a unique upgrade for P320 enthusiasts.
Unique Features of the Manual Safety Kit
The Sig P320 Manual Safety Kit offers unique features like precision-engineered templates for modifying the FCU and grip module, ensuring compatibility with both standard and X-Series grips. It includes specialized cutting bits and tools, such as carbide and tungsten cutter bits, for accurate modifications. The kit’s modular design allows users to switch between manual and non-manual safety configurations effortlessly. Its cost-effectiveness and comprehensive components make it a standout upgrade for P320 owners, providing enhanced safety and versatility without the need for expensive aftermarket parts or professional installation.
The Sig P320 Manual Safety Kit offers a seamless and cost-effective way to enhance firearm safety and versatility, providing users with a reliable and efficient upgrade solution.
Final Thoughts on the Manual Safety Kit
The Sig P320 Manual Safety Kit is a well-designed solution for enhancing firearm safety and versatility. It offers a straightforward installation process for experienced users, while maintaining compatibility with various P320 models. The kit’s inclusion of templates and tools ensures precision and ease of use, making it a valuable upgrade for those seeking a manual safety feature. While it requires careful handling and professional installation for optimal results, the kit delivers a reliable and efficient way to improve firearm functionality and safety, catering to both enthusiasts and professionals alike.
Recommendation for Potential Buyers
The Sig P320 Manual Safety Kit is ideal for enthusiasts and professionals seeking enhanced safety and versatility. It offers a reliable solution for converting non-manual safety P320s, providing precise templates and tools for installation. While the kit is user-friendly for experienced shooters, it may require professional assistance for less skilled users. For those prioritizing safety and flexibility, this kit is a worthwhile investment. However, ensure compatibility with your firearm and consider your technical expertise before purchasing, as improper installation can lead to functional issues.
Future Prospects and Updates
The Sig P320 Manual Safety Kit is expected to evolve with advancements in firearm technology and user feedback. Future updates may include improved tooling, expanded compatibility with more P320 variants, and enhanced instructional resources. As the firearms community embraces modular systems, the demand for versatile safety solutions like this kit may grow. Manufacturers could also explore integrating smart technology or ergonomic enhancements. Staying attuned to Sig Sauer’s releases and community innovations will be key for users seeking the latest improvements and accessories for their P320 manual safety conversions.
 
			