MP5 to MP5SD-K Conversion

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MP5 Conversion to MP5 SD-K


5 in stock

During checkout, please ensure that you select an FFL (Federal Firearms Licensee) that permits suppressor transfers (SOT). Failure to do so may result in an additional $25 processing fee for us to arrange an eligible FFL on your behalf.
Military and LEO, please contact us to claim your 5% discount.

Transform Your MP5 with Ronin Arms’ MP5SD-K Integrally Suppressed Conversion Service

The MP5 is a legendary firearm renowned for its reliability, precision, and versatility. While the standard MP5 is already an exceptional firearm, some enthusiasts seek to enhance its capabilities further by converting it into an MP5SD-K integrally suppressed system. This conversion process involves several components and meticulous steps to achieve optimal performance and stealthiness. In this comprehensive guide, we’ll delve into the details of converting a traditional MP5 Standard into an MP5SD-K, with a focus on the services provided by Ronin Arms, covering the necessary parts, the conversion process, and important considerations.

Components of the MP5SD-K Conversion

Before diving into the conversion process, let’s explore the components required to transform a standard MP5 into an MP5SD-K integrally suppressed system, with the assistance of Ronin Arms:

  • 8″ Defcon4 SD Suppressor-The heart of the MP5SD-K conversion, the Defcon4 SD Suppressor, provided by Ronin Arms, offers superior sound suppression while maintaining the compact profile of the firearm.
  • Ronin Arms MP5SD-K Ported Barrel- This specialized barrel, designed and manufactured by Ronin Arms, is tailored specifically for the MP5SD-K configuration, featuring ports to accommodate the suppressor and optimize performance.
  • SD Barrel Shroud and Standard SD Shroud Cover- The SD barrel shroud and shroud cover, expertly fitted by Ronin Arms, play crucial roles in housing the suppressor assembly and maintaining the aesthetics of the MP5SD-K.
  • SD Cocking Tube and Cocking Tube Support- Ronin Arms ensures the proper installation of these components, essential for the reliable functioning of the MP5SD-K’s operating mechanism and ensuring smooth cycling of the firearm.
  • SD Rubber Sealing Ring- Provided by Ronin Arms, this sealing ring helps to create a gas-tight seal between the suppressor assembly and the barrel, minimizing gas escape and maximizing sound suppression.
  • SD Front Sight with Sling Loops- Ronin Arms incorporates the SD front sight assembly with integrated sling loops into the conversion process, enhancing the versatility and convenience of the MP5SD-K.
  • 120 Degree SD Locking Piece- Ronin Arms utilizes the specialized 120 Degree SD Locking Piece, optimized for the MP5SD-K configuration, ensuring reliable operation of the firearm.
  • Conversion Process

    Converting a traditional MP5 Standard into an MP5SD-K integrally suppressed system with Ronin Arms is a meticulous process that requires precision and expertise. Here’s a step-by-step guide to the conversion process:

    • Disassembly
      • Remove the barrel, cocking tube, and other relevant components
    • Installation of Ronin Arms MP5SD-K Ported Barrel
      • Ensure precise alignment and fitment
    • Fitting of SD Barrel Shroud and Cocking Tube
      • Hand-fitted for a precise and secure fit
    • TIG Welding
      • Weld barrel shroud, cocking tube, and front sight assembly to MP5 receiver
      • Ensures structural integrity and alignment
    • Coating in HK Black Factory Finish
      • Restores appearance and provides corrosion resistance
    • Reassembly and Testing
      • Thorough testing, including test firing, to validate functionality and performance
    • Quality Assurance
      • Final inspections and quality checks to verify integrity of the conversion
      • Benefits of the MP5SD-K Conversion

        • Enhanced Stealth and Sound Suppression
          • Significant noise reduction
          • Ideal for tactical applications where stealth is crucial
        • Improved Versatility
          • Adaptable to various shooting scenarios
          • Enhanced components make the MP5SD-K more versatile
        • Superior Aesthetics
          • HK black factory finish for corrosion resistance and appearance
          • Integrated suppressor and barrel shroud contribute to aesthetic appeal
        • Increased Value
          • Significantly increases the value of your firearm
          • Enhanced performance, reliability, and aesthetics

        Why Choose Ronin Arms for Your MP5SD-K Conversion?

        • Expertise in Firearm Customization
          • Years of experience in firearm customization
          • Precision, quality, and customer satisfaction
        • High-Quality Components
          • Finest materials and components used in conversion services
          • Ensures durability, performance, and compatibility
        • Comprehensive Testing and Quality Assurance
          • Thorough testing and quality assurance checks
          • Meets the highest standards of performance and reliability
        • Customer Satisfaction
          • Exceptional service and support throughout the conversion process
          • Ensures complete satisfaction with your MP5SD-K conversion

        The Conversion Process in Detail

        • Initial Consultation and Planning
          • Discuss specific needs and requirements
          • Provide detailed information about components, process, and timeline
        • Detailed Disassembly
          • Remove the barrel, cocking tube, and other necessary components
        • Installation of New Components
          • Install MP5SD-K ported barrel, SD barrel shroud, and cocking tube
          • Precision fitting for optimal performance and alignment
        • TIG Welding for Structural Integrity
          • Secure barrel shroud, cocking tube, and front sight assembly to MP5 receiver
          • Maintains structural integrity and suppressor effectiveness
        • Application of HK Black Factory Finish
          • Enhances appearance and durability
          • Provides corrosion resistance
        • Reassembly and Function Testing
          • Meticulously reassemble the firearm
          • Conduct thorough function testing, including test firing
        • Final Quality Assurance
          • Perform final inspections and quality checks
          • Ensure the MP5SD-K meets all specifications and standards

        Maintenance and Care for Your MP5SD-K

        • Regular Cleaning
          • Follow manufacturer’s guidelines for cleaning
          • Prevent buildup and ensure optimal function
        • Proper Storage
          • Store in a cool, dry place
          • Use a quality firearm case or safe
        • Routine Inspections
          • Conduct routine inspections for wear or damage
          • Address issues promptly
        • Professional Maintenance
          • Consider professional maintenance for complex tasks
          • Ronin Arms offers maintenance services


        Converting a traditional MP5 Standard into an MP5SD-K integrally suppressed system with the expertise of Ronin Arms is a rewarding endeavor that enhances the firearm’s versatility, stealthiness, and overall performance. By entrusting the conversion process to Ronin Arms, enthusiasts can enjoy peace of mind knowing that their MP5SD-K is crafted with precision, quality, and attention to detail. Whether for tactical applications, recreational shooting, or collection purposes, the MP5SD-K conversion by Ronin Arms offers a unique and impressive addition to any firearm enthusiast’s arsenal.

        For more information or to begin your MP5SD-K conversion, visit Ronin Arms’ website or contact their customer service team. Elevate your MP5 to new heights with Ronin Arms’ unparalleled conversion services.

        Important Note:

        Ronin Arms only requires your barreled receiver with the carrier group for the MP5SD-K conversion. This helps streamline the process and ensures that your firearm receives the precise attention and components needed for a successful transformation.

        Frequently Asked Questions (FAQ)

        • What is the typical turnaround time for an MP5SD-K conversion?
          • The typical turnaround time for an MP5SD-K conversion by Ronin Arms is approximately 6-8 weeks. This time-frame allows for meticulous installation and testing of all components to ensure the highest quality and performance. However, the actual time may vary depending on parts availability.
        • Are there any special requirements for shipping my MP5 to Ronin Arms?
          • Yes, when shipping your MP5 to Ronin Arms for conversion, it is essential to follow their specific shipping instructions to ensure a smooth process. This includes securely packaging your firearm, including all necessary documentation, and using a reliable shipping method. Ronin Arms will provide detailed shipping instructions upon order confirmation.
        • Can Ronin Arms convert other firearms besides the MP5?
          • While Ronin Arms specializes in MP5 conversions, they also offer customization services for a variety of other firearms. Contact their customer service team for more information about the specific services available for your firearm.
        • How does the integrally suppressed MP5SD-K compare to other suppressed firearms?
          • The integrally suppressed MP5SD-K offers superior sound suppression and performance compared to many other suppressed firearms. The combination of the Defcon4 SD Suppressor and the ported barrel design ensures that the firearm operates quietly and efficiently, making it an excellent choice for tactical and recreational use.
        • Is the MP5SD-K conversion suitable for civilian use?
          • Yes, the MP5SD-K conversion is suitable for civilian use, provided that the owner complies with all applicable laws and regulations regarding suppressed firearms. Ronin Arms ensures that their conversions meet all legal requirements, making the MP5SD-K a viable option for civilian firearm enthusiasts.

        Contact Us

        For any inquiries or further assistance, please contact Ronin Arms at or visit their website. The team at Ronin Arms looks forward to helping you transform your MP5 into an MP5SD-K integrally suppressed system, delivering unparalleled performance and reliability.



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