Not yet rated



Out of 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.

Welcome to the world of Ronin Arms, where precision engineering meets unparalleled performance. The RA9SD-K integrally suppressed 9mm SBR (Short Barreled Rifle) represents the pinnacle of innovation in firearm technology. Designed with meticulous attention to detail, this firearm offers an unparalleled shooting experience, combining the compactness of an SBR with the whisper-quiet operation of an integrally suppressed system.

In this comprehensive guide, we’ll delve into the features, benefits, and specifications of the RA9SD-K, ensuring you have all the information you need to appreciate this remarkable piece of engineering.

Overview of the RA9SD-K

Key Features

  • Integrally Suppressed Design: The RA9SD-K features an 8″ integral suppressor paired with a 4.75″ ported barrel. This configuration brings standard 115gr 9mm ammo to subsonic speeds before the round leaves the chamber, resulting in an extremely quiet shooting experience.
  • Caliber: 9mm
  • Barrel Length: 4.75″ ported barrel
  • Suppressor Length: 8″ integral suppressor
  • Overall Length: Compact SBR design
  • Compatibility: Designed to work seamlessly with various platforms

Unmatched Quietness

The RA9SD-K stands out for its exceptional noise reduction capabilities. By porting the barrel and integrating the suppressor, this system ensures that standard 115gr 9mm ammunition achieves subsonic speeds. This design not only reduces the sound signature but also minimizes the risk of over-penetration, making it ideal for a variety of applications, from tactical operations to home defense.

Precision and Performance

At Ronin Arms, precision is paramount. The RA9SD-K is engineered to deliver consistent accuracy and reliable performance. The integrally suppressed design reduces recoil and muzzle rise, allowing for faster follow-up shots and improved overall control. Whether you’re at the range or in the field, this firearm offers a superior shooting experience.

Detailed Specifications

Barrel and Suppressor

  • Barrel Length: 4.75 inches
  • Barrel Porting: Engineered to reduce bullet velocity to subsonic speeds
  • Suppressor Length: 8 inches
  • Suppressor Design: Integral, non-serviceable
  • Materials: High-quality, durable materials for extended lifespan and reliability

Receiver and Upper

  • Upper Receiver: Machined to precise tolerances for seamless integration with the suppressor
  • Finish: High-durability coatings for enhanced resistance to wear and corrosion

Overall Dimensions

  • Total Length: Compact design suitable for various operational environments
  • Weight: Balanced for optimal handling and maneuverability

Purchasing and FFL Requirements

Selecting an FFL

When purchasing the RA9SD-K, it is crucial to select an FFL (Federal Firearms Licensee) that permits suppressor transfers (SOT). This ensures a smooth and legal transaction. During checkout, please ensure that you choose an eligible FFL to avoid any delays or additional fees.

Shipping Instructions

After completing your purchase, kindly contact us at info@roninarmsaz.com to acquire the shipping information for sending us your upper receiver. Following these instructions is essential to ensure compliance with legal requirements and to avoid any complications.

Warranty and Return Policy

Warranty Coverage

Ronin Arms LLC guarantees that the RA9SD-K integrally suppressed 9mm SBR is free from defects in workmanship and materials. This warranty covers repair or replacement at our discretion for this suppressor. However, it is important to note the following:

  • Non-Serviceable Suppressor: The suppressor included with your RA9SD-K is non-serviceable. Do not attempt to disassemble or modify it.
  • No Warranty for Merchantability: There is no warranty for the merchantability or fitness of this suppressor for specific purposes.

Return Policy

If you encounter any issues with your suppressor, contact us before attempting any returns. Shipping a suppressor without prior approval may result in legal complications. Follow these steps for returns:

  1. Contact us at info@roninarmsaz.com with details of your issue.
  2. Wait for our review and instructions before shipping any items.

Installation and Removal Instructions

Safety First

Before installing or removing the suppressor, ensure the firearm is unloaded and the safety is engaged. Follow these steps to avoid accidents:

  1. Unload the Firearm: Remove the magazine and verify that the chamber is empty.
  2. Engage the Safety: Ensure the firearm’s safety is engaged to prevent accidental discharge.

Installation Procedure

  1. Inspect the Threads: Verify that the muzzle threads and caliber correspond to the suppressor specifications.
  2. Thread the Suppressor: Carefully thread the suppressor onto the barrel’s rear threads. Hand tighten—do not over-tighten.
  3. Check Alignment: From the rear of the firearm, visually inspect the fitment of the suppressor to ensure it does not obstruct the bore. Never inspect bore alignment from the front of the firearm.

Removal Procedure

  1. Cool Down: Allow the suppressor to cool to room temperature before attempting removal.
  2. Unscrew by Hand: Gently unscrew the suppressor by hand. Use tools only if necessary and with caution to avoid damaging the threads.

Important Safety Information

Handling Precautions

  • Loaded Firearm: Never install or remove the suppressor from a loaded firearm.
  • Bore Inspection: Always inspect the bore alignment from the rear, never from the front, to avoid accidents.
  • Extreme Caution: Handle firearms and suppressors with extreme caution to prevent severe injury or death.

Legal Compliance

Ensure all actions comply with federal, state, and local laws. Misuse or improper handling of suppressors can lead to serious legal consequences.

Frequently Asked Questions (FAQs)

What makes the RA9SD-K unique?

The RA9SD-K stands out due to its integrally suppressed design, which reduces the sound signature to extremely quiet levels. The combination of a ported barrel and integral suppressor ensures standard 115gr 9mm ammo reaches subsonic speeds before exiting the chamber, making this firearm exceptionally quiet and ideal for various applications.

Can I customize the RA9SD-K?

The RA9SD-K is designed for optimal performance with its existing specifications. Customizations or alterations, especially to the suppressor, are not recommended and may void the warranty. The integrally suppressed design is finely tuned to deliver the best performance and quietness out of the box.

How do I select an FFL for my purchase?

During checkout, ensure you select an FFL that permits suppressor transfers (SOT). This will facilitate a smooth transaction and avoid any additional fees. If you need assistance finding an eligible FFL, please contact us.

What is the warranty on the RA9SD-K?

Ronin Arms LLC guarantees the RA9SD-K suppressor to be free of defects in workmanship and materials. The warranty covers repair or replacement at our discretion. However, it does not cover misuse, negligence, or unauthorized modifications.

How do I maintain the suppressor?

The suppressor included with the RA9SD-K is non-serviceable. Regular cleaning of the firearm itself should be performed according to standard procedures, but the suppressor does not require disassembly or maintenance. For any issues, contact us for guidance.

What should I do if I encounter an issue with my suppressor?

Contact us at info@roninarmsaz.com before attempting any returns. Do not ship the suppressor without prior approval. We will review your situation and provide instructions for the next steps.


The RA9SD-K integrally suppressed 9mm SBR from Ronin Arms represents a breakthrough in firearm technology. Combining compact design, exceptional quietness, and precision engineering, this firearm is perfect for a wide range of applications. By adhering to the provided instructions and ensuring compliance with legal requirements, you can enjoy the unparalleled performance and reliability that the RA9SD-K offers.

Thank you for choosing Ronin Arms. We look forward to seeing you showcase your RA9SD-K and sharing your experiences with our community. For any inquiries or further assistance, please contact us at info@roninarmsaz.com.



Barrel Length


Suppressor Length



There are no reviews yet.

Be the first to review “RA9-SD K”
Welcome to Ronin Arms, in order to browse our site you must be at least 18 years of age.
Are you at least 18 years old?
Your Cart